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Sightings 2003

red is a rare or scarce species
green is early (first) or late sighting
blue is a high count
blue is a count that exceeds the 1% level

The 1% level is an indicator of the importance of a wetland area. If 1% of the total North-West European population of a bird species is present on a regular basis, the site is of international importance. See also "De 1%-soorten van de Meeslouwerpolder en de Vogelplas Starrevaart"  (in Dutch) and Population estimates and 1%-levels for waterbird species occurring in the Netherlands: suggestion for standardisation, P.L. Meininger, H. Schekkerman, en M.W.J. van Roomen, Limosa, 68(2):41, 1995.


December 2003

December 31 - Great Cormorant 14, Greylag Goose 650, Common Teal 140, European Golden Plover 220, Northern Lapwing 1800, Bearded Reedling heard.
Vlietland. Common Stonechat 1 pair.
December 30 - Goosander 1 female, European Golden Plover 800, Common Snipe 1, Common Redshank 1, Common Kingfisher 1.
Leidschendammerhout. Marsh Tit 2.
Passing. White Stork 2, Pink-footed Goose 25 S, Greater White-fronted Goose 45 S.
December 29 - Great Bittern 2, Bewick's Swan 31 adult 1 juvenile, Greater White-fronted Goose 40, Common Goldeneye 2 male 5 female, Smew 1 male 4 female, Goosander 1 female, Ruff 2, Common Kingfisher 1, Hooded Crow 1 shortly present.
Vlietland. Common Stonechat 1 pair.
Passing. Greater White-fronted Goose 28 S.
December 27 - Great Bittern 1, Greylag Goose 640, European Golden Plover 560, Dunlin 4, Common Kingfisher 1.
Vlietland. Common Stonechat 1 pair (between the Highland cattle).
Passing. Greater White-fronted Goose 53.
December 26 - Greater White-fronted Goose 23, Smew 3 female, Peregrine Falcon 1 adult, European Golden Plover 360, Northern Lapwing 2350, Dunlin 5, Ruff 2, Eurasian Curlew 164, Spotted Redshank 1.
Roosting site count. Bewick's Swan 31, Water Pipit 62 (record).
Passing. White Stork 1.


Common buzzard on regular site, with northern lapwings and european golden plovers, 26-12-2003

December 22 - Great Bittern 1, Greater White-fronted Goose 41, Peregrine Falcon 1 adult. A green Budgerigar landed on water next to the central mud flat and drowned.
December 21 - Vlietland. Long-eared Owl 3, Eurasian Green Woodpecker 1, Common Stonechat 2 (near the Highland cattle), Goldcrest 4, Firecrest 1.
December 20 - Bewick's Swan 23, Common Goldeneye 2 male 4 female, Smew 6 female, Dunlin 14, Eurasian Curlew 314, Common Kingfisher 1, Water Pipit 28.
December 18 - Common Teal 375, Peregrine Falcon 1 shortly hunting in the evening.
December 17 - Great Bittern 3, Smew 5, Peregrine Falcon 1 adult caught European Golden Plover, European Golden Plover 440, Dunlin 13, Ruff 12, Common Kingfisher 1, Bearded Reedling 9 north east side.
Meeslouwerplas. Water Pipit 9 on mown reed bed.
Passing. White Stork 2.


Peregrine Falcon, 17-12-2003

December 12 - Great Bittern 2, Goosander 1 female, Hooded Crow 1.


Great Bittern on ice, 12-12-2003 (Photo © Adri de Groot)

December 10 - Great Bittern 2, Common Teal 190, Northern Pintail 12, Northern Shoveler 190, Goosander 1 female, Northern Chiffchaff 2, Bearded Reedling heard near hide. Vogelplas almost frozen over.
Vlietland. Little Grebe 21, Common Pochard 16, Tufted Duck 470, Common Goldeneye 5 male 5 female, Eurasian Green Woodpecker 1.
Vlietland and Vogelplas together. Common Shelduck 37, Eurasian Wigeon 10000, Gadwall 238.
Passing. Pink-footed Goose 3, Greater White-fronted Goose 10.
December 9 - Bewick's Swan 91, Greater White-fronted Goose 100, Eurasian Curlew 292, Water Pipit 42, Goldcrest 4.
December 8 - Bewick's Swan 66 adult 10 juvenile, Greater White-fronted Goose 105, Goosander 1 female, Ruff 4, Eurasian Curlew 300, Water Pipit 17 (sharply decreasing).
Leidschendammerhout. Goldcrest 3, Firecrest 2.
December 7 - Great Bittern 2, Smew 4 female, Dunlin 15, Jack Snipe 1, Green Sandpiper 1, Meadow Pipit 10, Northern Chiffchaff 2, Bearded Reedling (heard at Kniplaan).
Vlietland. Little Grebe 15, Gadwall 170, Common Goldeneye 4 male, Firecrest 1.
Roosting site count. Bewick's Swan 82, Greater White-fronted Goose 80, Eurasian Curlew 367, Water Pipit 31.
Passing. Greater White-fronted Goose 55 (in small flocks), Barnacle Goose 1, Fieldfare 26, Common Chaffinch 49, Eurasian Siskin 3.
December 6 - Bewick's Swan 61, Whooper Swan 2, Smew 4 female, Hen Harrier 1 male, European Golden Plover 220, Eurasian Curlew 260, Spotted Redshank 3, Common Kingfisher 3.
Vlietland. Red-throated Loon 1, Little Grebe 5, Peregrine Falcon 1 (in tree near the Highland cattle), Northern Chiffchaff 2.
December 5 - Bewick's Swan 45 adult 7 juvenile, Common Shelduck 49, Smew 4, Peregrine Falcon 1.
December 4 - Great Bittern 2, Common Teal 175, Tufted Duck 385, Common Buzzard 1 caught northern lapwing, Pied Avocet 1, Dunlin 12, Common Kingfisher 1.
December 1 - Great Bittern 2, Bewick's Swan 22 adult 3 juvenile, Peregrine Falcon 1 adult.


November 2003

November 30 - Bewick's Swan 34 adult 8 juvenile, Jack Snipe 1, Eurasian Woodcock 1, Water Pipit 51, Grey Wagtail 2, Northern Chiffchaff 1.
Meeslouwerplas. Little Grebe 5, Water Rail 2, Eurasian Collared Dove 35, Northern Chiffchaff 1, Bearded Reedling 4, Brambling 8.
November 29 - Greylag Goose 650, Common Shelduck 35, Northern Shoveler 338, Tufted Duck 470, Common Goldeneye 1 male 4 female, Northern Goshawk 1, Pied Avocet 1, European Golden Plover 425, Northern Lapwing 2450, Yellow-legged Gull 1 adult.
Roosting site count. Bewick's Swan 12 adult 8 juvenile, Greater White-fronted Goose 250, Egyptian Goose 180, Eurasian Curlew 450, Water Pipit 42, Common Reed Bunting 6.
Passing. Pink-footed Goose 15, Barnacle Goose 1.
November 28 - Great Bittern 3, Pink-footed Goose 2, Northern Pintail 18, Smew 1 female, Northern Goshawk 1 juvenile, Eurasian Oystercatcher 22, European Golden Plover 250, Spotted Redshank 5, Yellow-legged Gull 1 adult, Common Kingfisher 2.
Roosting site count. Greater White-fronted Goose 480, Egyptian Goose 220, Water Pipit 53, Lapland Longspur 1 (flew off S), Common Reed Bunting 8.
November 27 - Northern Chiffchaff 2.
November 26 - Common Teal 110, Northern Shoveler 394, Peregrine Falcon 1 juvenile, Pied Avocet 1, Yellow-legged Gull 1.
Passing. Redwing 63.
November 25 - Great Bittern 2, Bewick's Swan 18, Greater White-fronted Goose 280, Northern Goshawk 1, Dunlin 10, Ruff 28, Eurasian Curlew 157, Spotted Redshank 5, Yellow-legged Gull 1, Pied Wagtail 1, Northern Chiffchaff 1.
Vlietland. Firecrest 1, Brambling 7.
Passing. Pink-footed Goose 151, redpoll spec. 4. (Red Phalarope not found. Much disturbence by the recovery of a body with helicopters).


Yellow-legged Gull, 25-11-2003 (Photo © Adri de Groot)

November 24 - Red Phalarope 1, Yellow-legged Gull 1.
Passing. Greater White-fronted Goose 82.
November 23 - Great Bittern 2, Greylag Goose 570, Common Shelduck 32, Common Teal 80, Mallard 240, Northern Pintail 11, Northern Shoveler 220, Tufted Duck 365, Northern Goshawk 1 male, Red Phalarope 1 still present.
Meeslouwerplas. Eurasian Collared Dove 30, Northern Chiffchaff 1, Brambling 4.
Roosting site count. Greater White-fronted Goose 190, Eurasian Curlew 270, Water Pipit 55 (record).
Passing. Pink-footed Goose 23, Grey Wagtail 1.
November 22 - Peregrine Falcon 2 at dusk, Red Phalarope 1.
November 21 - Great Bittern 3, Northern Goshawk 1, Peregrine Falcon 1 adult, Water Rail 2, European Golden Plover 850, Northern Lapwing 2700, Dunlin 12, Eurasian Curlew 131.
Passing. Fieldfare 25. (Red Phalarope not found today).
November 20 - Great Bittern 2, Red Phalarope 1, Yellow-legged Gull 1, Common Kingfisher 2, Pied Wagtail 1 on the mud flat, Bearded Reedling 2.
Passing. Pink-footed Goose 60.
November 19 - Great Bittern 2, Pink-footed Goose 1, Peregrine Falcon 1 around noon with prey on mud flat , Red Phalarope 1.
November 18 - Great Bittern 3, Red Phalarope 1, Common Kingfisher 1.
November 17 - Great Bittern 2, Dark-bellied Brent Goose 1 shortly present, Red Phalarope 1.
November 16 - Great Bittern 2, Bewick's Swan 31 adult 4 juvenile, Common Goldeneye 1 male 4 female, Red Phalarope 1.
November 15 - Northern Lapwing 2400, Red Phalarope 1 (see photo), Yellow-legged Gull 1 adult, Hooded Crow 1.
Roosting site count. Bewick's Swan 13 adult 1 juvenile, Eurasian Curlew 215, Water Pipit 22.
November 14 - Dunlin 12, Red Phalarope 1.
Vlietland. Long-eared Owl 2.
November 13 - Great Bittern 2, Pink-footed Goose 1, Hen Harrier 1 female, Peregrine Falcon 1 hunting shortly in the evening, Red Phalarope 1 still present, Common Kingfisher 1.


Red Phalarope, 13-11-2003 (Photo © Adri de Groot)

November 12 - Peregrine Falcon 1, Red Phalarope 1 present in the afternoon.
Passing. Pink-footed Goose 9.
November 11 - Bewick's Swan 21 adult 1 juvenile, Peregrine Falcon 1 hunting shortly, Common Kingfisher 1.
November 10 - Great Bittern 2, Greater White-fronted Goose 244 staying shortly, Greylag Goose 600, European Golden Plover 2460 (record count), Little Stint 1, Common Snipe 44, Spotted Redshank 10, Eurasian Green Woodpecker 2, Long-tailed Tit 20, Snow Bunting 1 staying shortly.
November 9 - Northern Goshawk 1, Eurasian Sparrowhawk 3, Common Buzzard 4, Dunlin 15, Jack Snipe 2, Eurasian Woodcock 1, Green Sandpiper 1, Common Kingfisher 1, Bearded Reedling 10.
Passing. Pink-footed Goose 7, Greater White-fronted Goose 60, Barnacle Goose 23, Eurasian Skylark 6, Grey Wagtail 3, Fieldfare 19, Coal Tit 1.
November 8 - Northern Goshawk 1 male, Little Stint 1, Dunlin 11, Common Redshank 8, Common Kingfisher 1 female.
November 7 - Little Grebe 4, Bewick's Swan 16, Little Stint 1, Dunlin 7, Black-tailed Godwit 1, Common Redshank 1, Common Greenshank 1, Green Sandpiper 1, Northern Chiffchaff 1, Bearded Reedling 2.
Passing. Pink-footed Goose 2, Barnacle Goose 100, Eurasian Sparrowhawk 4.
November 5 - Little Grebe 2, Great Bittern 2, Common Goldeneye 2 male 1 female, Goosander 1 female, Water Rail 2, European Golden Plover 1100, Northern Lapwing 1500, Little Stint 1, Common Kingfisher 1.
November 4 - European Golden Plover 650, Dunlin 7, Spotted Redshank 26, Common Kingfisher 1, Pied Wagtail 1 male on the mud flat, Northern Chiffchaff 1 singing.
November 3 - Great Bittern 1, Ruff 2, Spotted Redshank 21.
November 2 - Western Marsh Harrier 1 female, Eurasian Sparrowhawk 3, European Golden Plover 750, Northern Lapwing 1500, Jack Snipe 2, European Reed Warbler 1, Bearded Reedling 3, Lesser Redpoll 2 and 2 redpoll spec. NE.
Passing. Grey Wagtail 2, Fieldfare 110, Brambling 20.
November 1 - Little Grebe 2, Great Bittern 1, Common Shelduck 34, Common Teal 172, Northern Pintail 13, Tufted Duck 319, Water Rail 4, Dunlin 12, Ruff 3, Spotted Redshank 24, Green Sandpiper 3, Common Kingfisher 1, Northern Chiffchaff 1, Goldcrest 10, Firecrest 6, Willow Tit 2.
Roosting site count. Bewick's Swan 6, Egyptian Goose (of which 1 Egyptian Goose x Ruddy Shelduck), Ruddy Shelduck 1 male, Water Pipit 15.
Passing. Grey Wagtail 2.


October 2003

October 31 - Little Grebe 2, Great Bittern 1, Common Goldeneye 3 female 1 male, Fieldfare 300.
October 28 - Common Kingfisher 2.
Roosting site count. Bewick's Swan 5 adult 3 juvenile, Egyptian Goose 280 (of which 1 leucistic, and one Egyptian Goose x Ruddy Shelduck), Ruddy Shelduck 2, Eurasian Curlew 310, Water Pipit 20.
October 27 - Black-necked Grebe 1, Great Bittern 1, Dunlin 15, Bearded Reedling 3.
October 26 - Black-necked Grebe 1 (see photo), Great Bittern 1, Bewick's Swan 4 adult 2 juvenile, Greater White-fronted Goose 45, Common Shelduck 31, Northern Shoveler 195, Common Buzzard 5, Peregrine Falcon 1, European Golden Plover 900, Northern Lapwing 1900, Jack Snipe 4, Spotted Redshank 17, Green Sandpiper 4, Common Kingfisher 1, Firecrest 2, Bearded Reedling 10.
Roosting site count. Water Pipit 17, Common Reed Bunting 10.
Passing. Wood Lark 12, Eurasian Skylark 13, Fieldfare 114, Mistle Thrush 3, Brambling 53, Eurasian Siskin 10, Lapland Longspur 1.


Common Kingfisher, 26-10-2003

October 24 - Black-necked Grebe 1, Great Bittern 1, Water Rail 2, Jack Snipe 1 north side.
Passing. White Stork 4.
October 23 - Black-necked Grebe 1, Bewick's Swan 6, Common Teal 193, Dunlin 17, Spotted Redshank 22, Common Redshank 4, Common Kingfisher 1 female, Bearded Reedling 2 crossing Kniplaan .
October 22 - Northern Goshawk 1 adult male, European Golden Plover 400, Grey Plover 1, Northern Lapwing 600, Dunlin 17, Ruff 3, Common Redshank 2, Black Redstart 1 along Kniplaan.
Passing (9:15-11:15). Great Cormorant 149, Tundra Bean Goose 2, White-tailed Eagle 1 SW later on went east, Eurasian Skylark 58, Meadow Pipit 8, Water Pipit 2, Common Blackbird 6, Fieldfare 24, Song Thrush 14, Redwing 62, Common Reed Bunting 5.
October 21 - Great Bittern 1, White Stork 7 on lamp posts highway A4, Greater White-fronted Goose 35, Common Redshank 2, Common Kingfisher 2.
October 20 - Greater White-fronted Goose 25, Grey Plover 1, Dunlin 16, Ruff 3, Common Snipe 46.
October 19 - White Stork 2, Greylag Goose 640, Common Shelduck 30, Northern Shoveler 250, Tufted Duck 275, Common Goldeneye 3, Osprey 1 hunting for a short time, Water Rail 5, Little Stint 1, Dunlin 10, Ruff 2, Jack Snipe 1, Spotted Redshank 22, Common Redshank 1, Goldcrest 10, Firecrest 3, Bearded Reedling 3, Marsh Tit 2.
Roosting site count. Egyptian Goose 282, Ruddy Shelduck 2, Eurasian Curlew 143, Water Pipit 7.
Passing. Greater White-fronted Goose 3, Whimbrel 1, Stock Dove 6, Common Wood Pigeon 262, Eurasian Skylark 13, White Wagtail 6, Fieldfare 30, Blue Tit 9, Brambling 8.
October 17 - Great Bittern 1, Bewick's Swan 4, Hen Harrier 1 female, Pied Avocet 1, Little Stint 1, Common Kingfisher 1.
October 16 - Great Bittern 1, Common Goldeneye 1 female, Spotted Redshank 26, Common Stonechat 2, Bearded Reedling 6.
Passing. Blue Tit 20 NE, Great Tit 200 NE.
October 13 - Ruff 4, Spotted Redshank 22, Black Redstart 1, Northern Wheatear 1, Bearded Reedling 16.
October 12 - Yellow-legged Gull 1 adult.
October 11 - Water Pipit 3.
October 10 - Little Stint 1, Dunlin 7, Spotted Redshank 20, Common Kingfisher 1 female.
October 9 - Common Ringed Plover 3, Little Stint 1, Yellow-legged Gull 1 adult.
October 8 - Western Marsh Harrier 1 female, Peregrine Falcon 1 adult, Common Ringed Plover 4, Grey Plover 1, Dunlin 25, Ruff 2, Spotted Redshank 27.
Passing (10:00-12:00). Great Cormorant 46, Dark-bellied Brent Goose 19, Red-breasted Merganser 18 (record), Eurasian Curlew 2, Meadow Pipit 14, White Wagtail 2, Fieldfare 19, Redwing 444, Eurasian Jay 6, Common Chaffinch 263, Eurasian Siskin 8, Common Linnet 1, Common Reed Bunting 3.
October 6 - White Stork 11 on the lamp posts along highway A-4.
October 5 - Peregrine Falcon 1 (see photo), Dunlin 4, Common Snipe 70, Spotted Redshank 30.
Passing. White Stork 6.
October 2 - Little Grebe 1, European Golden Plover 1560, Little Stint 1, Dunlin 24, Ruff 8.
Meeslouwerplas. Little Grebe 7.
October 1 - Eurasian Sparrowhawk 5, European Golden Plover 500, Grey Plover 1, Little Stint 1, Dunlin 7, Ruff 8, Black-tailed Godwit 1, Common Greenshank 1, Yellow-legged Gull 1, Firecrest 2.
Passing. Great Cormorant 47, Western Marsh Harrier 1 female SW, Meadow Pipit 34, Eurasian Tree Sparrow 1, Brambling 1, Lapland Longspur 1 NE.


September 2003

September 30 - Western Marsh Harrier 1 male, Pied Avocet 3, Dunlin 5, Black-tailed Godwit 1, Sand Martin 1 found dead in hide, Song Thrush 20, Redwing 3.
Leidschendammerhout. Whinchat 3.
September 29 - Black-necked Grebe 1.
September 28 - Little Egret 1, Egyptian Goose 290, Ruddy Shelduck 1, Western Marsh Harrier 1 female, Common Ringed Plover 8, Dunlin 3, Yellow-legged Gull 1 adult.
Passing. White Stork 2.
September 27 - Western Marsh Harrier 1 male, Peregrine Falcon 1 adult, Common Greenshank 3, Common Kingfisher 1.
Passing. White Stork 1.
September 26 - Garganey 1, Peregrine Falcon 2, Water Rail 4, Dunlin 3, Barn Swallow 50.
Vlietland. Eurasian Green Woodpecker 1.
September 25 - Northern Shoveler 540, Peregrine Falcon 1 1 adult male and 1 immature female, Dunlin 2, Common Kingfisher 1, Common Stonechat 1, Blackcap 2.
Passing. Eurasian Spoonbill 30 SW, Grey Wagtail 1.


Juvenile Peregrine on the mud flat, 25-9-2003 (Photo © Renée de Kleijn)

September 24 - Little Grebe 3, Northern Pintail 19, Northern Shoveler 640, Peregrine Falcon 1 adult with prey on mud flat, Spotted Crake 1 southeastern part, Little Ringed Plover 3, European Golden Plover 2110 (record count), Northern Lapwing 3500, Dunlin 2, Black-tailed Godwit 1, Spotted Redshank 27, Green Sandpiper 2, Common Kingfisher 1.


Adult Peregrine on the mud flat, 24-9-2003 (Photo © Adri de Groot)

September 23 - Little Egret 1, Great Skua 1 juvenile (on the mud flat).
September 22 - Western Marsh Harrier 1 female 1 juvenile, Eurasian Hobby 2, Peregrine Falcon 1 male (came hunting from Duivenvoorde and catched a European Golden Plover), Pied Avocet 3, Little Ringed Plover 3, European Golden Plover 1290, Ruff 2, Spotted Redshank 31.
September 21 - Eurasian Spoonbill 20, Northern Goshawk 1 juvenile male, Peregrine Falcon 1 male, Water Rail 2, Little Ringed Plover 2, European Golden Plover 920, Northern Lapwing 3000, Black-tailed Godwit 1.
Passing. Great Egret 3 in the evening, Eurasian Spoonbill 64 SW (ca. 10 landed, 3 of which ringed), European Honey-buzzard 1 juvenile, Rose-ringed Parakeet 22 in pursuit of a Grey Heron, Song Thrush 2.
September 20 - European Golden Plover 600, Black-tailed Godwit 1.
Vlietland. Common Kingfisher 1, Eurasian Penduline Tit 1 near parking lot Kniplaan.
Passing. Tree Pipit 2.
September 19 - Eurasian Spoonbill 14, European Golden Plover 540, Dunlin 1, Ruff 3, Black-tailed Godwit 1, Green Sandpiper 2, Black-headed Gull 2500, Yellow-legged Gull 1, Common Kingfisher 1.


European Golden Plovers on the exposing mud flat, 19-9-2003

September 18 - Peregrine Falcon 1.
September 17 - Little Egret 1, Eurasian Spoonbill 14, Common Pochard 130, Western Marsh Harrier 1 male 1 female, Pied Avocet 2, European Golden Plover 430, Little Stint 1, Dunlin 5, Ruff 4, Spotted Redshank 18.
Vlietland. Water Rail 1, Common Kingfisher 2 pond near parking lot, Great Spotted Woodpecker 6, European Pied Flycatcher 1 adult female on terrain for Highland Cattle (see photo).
Passing. Eurasian Green Woodpecker 1, Meadow Pipit 14, Blue-headed Wagtail 16, Common Linnet 1.
September 16 - Great Egret 1.
September 15 - Little Grebe 7, Little Egret 1, Grey Heron 21, Greylag Goose 850, Garganey 4, Spotted Crake 1 on the shell island, Pied Avocet 1, European Golden Plover 110, Ruff 3, Spotted Redshank 12, Black Tern 1.
September 14 - Great Bittern 1, Northern Lapwing 1900, Sand Martin 1, White Wagtail 7, Common Redstart 1 juvenile male, Northern Wheatear 1, Firecrest 1.
Passing. White Stork 11, Western Marsh Harrier 1 adult female 1 juvenile, Eurasian Hobby 3 adult 1 juvenile, European Golden Plover 500, Meadow Pipit 6, Blue-headed Wagtail 5, Song Thrush 2, Eurasian Siskin 1.
September 13 - Little Egret 1, Eurasian Spoonbill 22 (1 with color ring), Greylag Goose 650, Garganey 12, Common Tern 5.
Vlietland. Osprey 1 adult, Black Tern 1.
Roosting site count. Barn Swallow 550, Common Starling 80000.
September 12 - Little Grebe 3, Eurasian Spoonbill 18, Common Pochard 130, Spotted Redshank 8, Black Tern 1.
Passing. Northern Goshawk 1 juvenile, Eurasian Hobby 1.
September 11 - Black-necked Grebe 1 winter plumage, Little Egret 1, Eurasian Wigeon 340, Northern Pintail 6, Pied Avocet 1, Common Greenshank 2, Mediterranean Gull 2 adult winter plumage, Yellow-legged Gull 1, Black Tern 4, Common Kingfisher 1, Blue-headed Wagtail 4, Northern Wheatear 1.
September 10 - Little Egret 1, Sacred Ibis 15, Black Tern 2, Barn Swallow 450, Common Starling 60000.
September 9 - Little Egret 1, Sacred Ibis 12, Eurasian Spoonbill 22, Greylag Goose 750, Eurasian Wigeon 37, Common Pochard 122, Eurasian Hobby 2 hunting on starlings roosting site, Whinchat 1, Northern Wheatear 1.
September 7 - Little Egret 1, Eurasian Spoonbill 14, Gadwall 327, Northern Goshawk 1 juvenile, Eurasian Sparrowhawk 5, Northern Lapwing 500, Mediterranean Gull 1, Yellow-legged Gull 1, Common Kingfisher 1, Whinchat 1, European Pied Flycatcher 1, Long-tailed Tit 20.
Passing. White Stork 7, Eurasian Spoonbill 5, European Honey-buzzard 2, Western Marsh Harrier 4, Common Buzzard 13, Eurasian Hobby 3, European Golden Plover 380, Common Greenshank 1, European Goldfinch 4.


Adult Mediterranean Gull in winter plumage, 7-9-2003

September 6 - Garganey 3, Pied Avocet 5, Spotted Redshank 8, Little Gull 1 juvenile, Black Tern 1, Common Kingfisher 1.
September 5 - Little Egret 1, Eurasian Spoonbill 16, Common Pochard 56, Water Rail 1, Spotted Crake 1 southeastern part (seen from hide), Green Sandpiper 1, Common Kingfisher 1, Whinchat 1.
Vlietland. Long-eared Owl 1 hunting along the Vliet.
Roosting site count. Black-headed Gull 1700, Lesser Black-backed Gull 37, Barn Swallow 450 in reedbed northeastern part , Common Starling 60000 (1 almost albino).
Passing. Eurasian Hobby 1, Blue-headed Wagtail 5.


Little Egret appeared amongst Sacred Ibises and Spoonbills., 5-9-2003

September 4 - Great Cormorant 106, Eurasian Spoonbill 25, Eurasian Hobby 1, Ruff 1, Spotted Redshank 5, Little Gull 1 juvenile, Black Tern 1, Common Kingfisher 1.


Common sight nowadays: Sacred Ibises between the Spoonbills. Also present are Ruff and Spotted Redshanks., 4-9-2003

September 3 - Little Grebe 4, Sacred Ibis 9, Eurasian Spoonbill 19, Eurasian Wigeon 15, Northern Pintail 3, Ruff 1, Little Gull 1 adult, Yellow-legged Gull 1.
Leidschendammerhout. Whinchat 3.
September 1 - Black-necked Grebe 2, Western Marsh Harrier 1 male 1 female.


August 2003

August 31 - Greylag Goose 450, Eurasian Wigeon 1, Northern Pintail 2, Greater Scaup 1 female, Western Marsh Harrier 1 female, Northern Goshawk 1 juvenile, Pied Avocet 1, Common Ringed Plover 1, Long-eared Owl 1 on the observation tower, Spotted Flycatcher 1, European Pied Flycatcher 1, European Goldfinch 13.
Leidschendammerhout. Whinchat 4, Northern Wheatear 1.
August 28 - Black Kite 1 SE.
August 26 - Little Grebe 2, Black-necked Grebe 2, Sacred Ibis 10, Eurasian Spoonbill 18, Canada Goose 176, Gadwall 245, Northern Pintail 2, Garganey 5, Western Marsh Harrier 1 male 1 female, Northern Goshawk 1, Eurasian Hobby 1, Water Rail 2, Common Cuckoo 1, Whinchat 3, Cockatiel 1 flew off to Vlietland.
Leidschendammerhout. Northern Wheatear 5.
Roosting site count. Barn Swallow 106, Common Starling 30000.
Passing. Whimbrel 1, Blue-headed Wagtail 6.
August 24 - White Stork 1, Hen Harrier 1 male, Northern Goshawk 1, Grey Partridge (prey remains from red fox), Common Kingfisher 1, Tree Pipit shortly present, Bluethroat 1 female.
August 21 - Little Egret 1.
August 20 - Black-necked Grebe 2, White Stork 2, Gadwall 105, Garganey 5, Northern Shoveler 183, Eurasian Hobby 1, Common Kingfisher 1.
Vlietland. Great Crested Grebe 129.
August 18 - Black-necked Grebe 1, Sacred Ibis 6, Eurasian Spoonbill 19, Common Teal 62, Spotted Redshank 12.
Kniplaan. Eurasian Hobby 1, Common Kingfisher 1.
August 17 - Great Crested Grebe 29, Black-necked Grebe 1, Sacred Ibis 12, Eurasian Spoonbill 16, Gadwall 145, Eurasian Hobby 1, Common Kingfisher 1.
Vlietland. European Pied Flycatcher 1 northern part of terrain for Highland Cattle..
Passing. Purple Heron 1 SW, Common Greenshank 5, Green Sandpiper 2, Blue-headed Wagtail 1, Common Linnet 4.
August 16 - Great Cormorant 141, Great Egret 1, Greylag Goose 481, Eurasian Wigeon 2 male, Spotted Redshank 10, Common Greenshank 1, Yellow-legged Gull 1.
August 14 - Eurasian Spoonbill 16, Garganey 10, Dunlin 1 juvenile, Yellow-legged Gull 1 adult, Common Kingfisher 1 female.


Yellow-legged Gull, 14-8-2003

August 13 - Black-necked Grebe 1, Great Cormorant 126, Western Marsh Harrier 1 pair, Dunlin 1 juvenile, Common Greenshank 1.
Passing. White Stork 1, Whimbrel 1.
August 12 - Little Grebe 4, Garganey 2, Ruff 6, Spotted Redshank 10.
August 10 - Little Grebe 1, Eurasian Spoonbill 15, Northern Goshawk 1 male, Osprey 1 present, Cockatiel 1.
August 9 - Western Marsh Harrier 1 pair, Northern Goshawk 1 female, Black Tern 2 juvenile, Common Kingfisher 1.
August 6 - Little Grebe 3, Black-necked Grebe 2, Great Bittern 1, Eurasian Spoonbill 18, Common Shelduck 14, Eurasian Sparrowhawk 2, Common Buzzard 7, Eurasian Hobby 2, Water Rail 1, Pied Avocet 1, Spotted Redshank 9, Black Tern 5.
Vlietland. Common Kingfisher 1.
Passing. European Golden Plover 3, Common Swift 13 S.
August 5 - Grey Heron 17, Western Marsh Harrier 1 male, Common Sandpiper 30, Common Kingfisher 1.
Passing. White Stork 2.
August 3 - Little Grebe 1, Sacred Ibis 2, Eurasian Spoonbill 17, Eurasian Wigeon 2, Gadwall 104, Common Teal 1, Garganey 10, Northern Shoveler 294, Eurasian Curlew 16, Common Redshank 2, Common Greenshank 1, Green Sandpiper 1, Common Sandpiper 12, Black Tern 1 adult, Common Swift 2, Cockatiel 1.


Young Common Tern from the breeding colony on the shell island, 3-8-2003

August 2 - Great Cormorant 143, Eurasian Spoonbill 12.
August 1 - Black-necked Grebe 1 with 3 juvenile, Pied Avocet 1, Ruff 1, Common Tern 85, Cockatiel 1.


July 2003

July 30 - Sacred Ibis 2, Western Marsh Harrier 1 female.
July 28 - Black-necked Grebe 1 with 1 juvenile, Ruff 9.
July 27 - Great Cormorant 65, Eurasian Spoonbill 32, Pied Avocet 1, Cockatiel 1.
July 26 - Eurasian Spoonbill 35, Eurasian Wigeon 2, Garganey 1, Common Sandpiper 4, Cockatiel 1.
July 25 - Little Grebe 2, Common Sandpiper 4, Cockatiel 1.


New escape: Cockatiel on shell island, 25-7-2003 (Photo © Adri de Groot)

July 24 - Black-necked Grebe 1 with 1 juvenile, Eurasian Spoonbill 44.
July 22 - Great Cormorant 113, White Stork 1, Eurasian Spoonbill 28, Pied Avocet 1.
July 21 - Black-necked Grebe 1, Eurasian Spoonbill 21, Garganey 2, Ruff 2, Spotted Redshank 6, Common Sandpiper 1.
July 19 - Black-necked Grebe 2, Eurasian Spoonbill 31, Mute Swan 31, Eurasian Coot 490, Ruff 4.
July 18 - Black-necked Grebe 2, Great Cormorant 103, Eurasian Spoonbill 38, Common Sandpiper 1.
July 16 - Eurasian Spoonbill 24, Northern Goshawk 1, Common Sandpiper 3.
July 15 - Little Grebe 1, Black-necked Grebe 1, Greylag Goose 720, Common Goldeneye 2.
July 14 - Little Grebe 1, Black-necked Grebe 2 with 1 young, Eurasian Spoonbill 35.
July 13 - Spotted Redshank 2, Common Sandpiper 2.
July 12 - Black-necked Grebe 2 with young, Eurasian Spoonbill 24.
July 8 - Black-necked Grebe 2 with 3 young.
Roosting site count. Eurasian Oystercatcher 160, Black-tailed Godwit 320, Eurasian Curlew 37, Barn Swallow 130.
July 7 - Eurasian Spoonbill 34, Ruff 2.
July 6 - Eurasian Wigeon 3, Common Buzzard 2, Common Greenshank 1, Green Sandpiper 1, Common Sandpiper 2, Common Linnet 1.
Passing. White Stork 1.
July 2 - Eurasian Spoonbill 36, Ruff 6, European Herring Gull 1 leucistic.
Roosting site count. Black-tailed Godwit 540, Eurasian Curlew 36, Lesser Black-backed Gull 290, Barn Swallow 48.


June 2003

June 30 - Eurasian Wigeon 11.
June 27 - Great Cormorant 45, Eurasian Spoonbill 34, Common Shelduck 23, Common Teal 20, Garganey 9, Cinnamon Teal 1, Pied Avocet 31, Little Ringed Plover 6, Ruff 9, Spotted Redshank 9, Common Greenshank 4, Green Sandpiper 1.
Roosting site count. Black-tailed Godwit 283, Eurasian Curlew 17, Common Redshank 34, Black-headed Gull 1600, Lesser Black-backed Gull 180, Common Starling 35000.
Passing. Whimbrel 3.
June 24 - Sacred Ibis 1, Eurasian Spoonbill 35, Garganey 4 male 6 female, Ruff 4, Black-tailed Godwit 720, Eurasian Curlew 14, Common Redshank 69.
June 23 - Black-necked Grebe 17.
June 22 - Black-necked Grebe 7, Eurasian Wigeon 3 male, Gadwall 305, Common Teal 2 male, Garganey 3 male 1 female, Common Buzzard 2, Ruff 4 male, Common Redshank 36, Common Greenshank 1, Great Black-backed Gull 1, Common Swift 300.


In June families of Eurasian Spoonbill appear, 22-6-2003

June 21 - Black-necked Grebe 4, Eurasian Spoonbill 32, Gadwall 240, Garganey 1 pair, Northern Shoveler 111, Common Pochard 36, Eurasian Sparrowhawk 1, Common Buzzard 1, Pied Avocet 24, Black-tailed Godwit 860, Spotted Redshank 6, Common Redshank 18, Bluethroat 2, Common Starling 17000.
Passing. White Stork 1, Eurasian Hobby 1.
June 16 - White Stork 2, Eurasian Spoonbill 29.
June 15 - Eurasian Spoonbill 15 adult 8 juvenile, Common Grasshopper Warbler 1.
June 13 - Dunlin 1, Black-tailed Godwit 1150, Spotted Redshank 3, Common Redshank 90.
June 12 - Eurasian Spoonbill 17, Eurasian Hobby 1, Long-eared Owl at dusk.
June 9 - Black-necked Grebe 2, Eurasian Spoonbill 21, Eurasian Wigeon 4 male, Western Marsh Harrier 2 male 1 female, Northern Goshawk 1, Common Buzzard 2, Eurasian Hobby 1, Little Ringed Plover 2 adult 3 juvenile, Black-tailed Godwit 1200, Spotted Redshank 2, Common Sandpiper 1, European Herring Gull 1 leucistic (see pictures), Bluethroat 3, Sedge Warbler 16, Marsh Warbler 16, European Reed Warbler 33, Icterine Warbler 2, Common Starling 3700.
Passing. White Stork 1.
June 4 - Black-necked Grebe 1, Eurasian Spoonbill 14, Eurasian Wigeon 4 male, Gadwall 140, Garganey 1 male 1 female, Western Marsh Harrier 1 male, Eurasian Hobby 1.
Vlietland. Little Grebe 1 calling, White Stork 5, Western Marsh Harrier 2, Common Nightingale 1.


Sun-bathing Red-Eared Slider, 4-6-2003

June 2 - Black-necked Grebe 5, Eurasian Spoonbill 8 adult 2 juvenile, Mute Swan 56, Garganey 2 male 1 female, Black-tailed Godwit 190.


May 2003

May 29 - Black-necked Grebe 4, Eurasian Spoonbill 3, Mediterranean Gull 1 adult 1 3cy.
Meeslouwerplas. Western Marsh Harrier 1 male 1 female, Water Rail 1, Marsh Warbler 4, European Reed Warbler 41.
May 28 - Gadwall 68, Water Rail 1, Bluethroat 3, Common Grasshopper Warbler 2, Marsh Warbler 12, European Reed Warbler 39.
Shell island. Common Tern 68 nests.
Woods south of Starrevaart. Common Nightingale 1, Marsh Tit 1.
May 25 - Eurasian Spoonbill 4, Mute Swan 58, Eurasian Wigeon 6 male, Ruddy Turnstone 1, Common Swift 180, Sand Martin 1, Bluethroat 2.
Passing. White Stork 1.


Black-headed Gull with young on shell island, 25-5-2003

May 19 - Black-necked Grebe 4, Eurasian Spoonbill 2, Eurasian Wigeon 2 male.
May 18 - Red-crested Pochard 1 male, Black Tern 1.
May 17 - Red-crested Pochard 1 male.
Vlietland. Lesser Whitethroat 3.
Breeding birds survey Meeslouwerplas. Savi's Warbler 2, Sedge Warbler 9, Marsh Warbler 3, European Reed Warbler 36, Common Whitethroat 5.
May 16 - Eurasian Spoonbill 1, Mute Swan 62, Eurasian Wigeon 4 male, Ruff 1, Common Greenshank 3, Common Sandpiper 5, Icterine Warbler 1, Lesser Whitethroat 1.
Breeding birds survey. Black-headed Gull 227 nests, Common Tern 40 nests, Bluethroat 1, Common Grasshopper Warbler 2, Sedge Warbler 15, European Reed Warbler 28.
Passing. Eurasian Spoonbill 4 NE, Blue-headed Wagtail 2 NE.


Eclipse of the moon during breeding birds survey,
5:01 PM, 16-5-2003

May 15 - Mute Swan 63.
May 12 - Eurasian Spoonbill 1, Ruddy Turnstone 1.
May 11 - Eurasian Spoonbill 1, Western Marsh Harrier 2 male, Pied Avocet 1 with 3 chicks.
May 10 - Black-necked Grebe 2 (leaving in NE direction), Eurasian Spoonbill 3, Mute Swan 58, Eurasian Wigeon 4 male, Little Ringed Plover 2, Common Ringed Plover 4, Curlew Sandpiper 1, Marsh Warbler 1.
Passing. White Stork 2.
May 7 - Eurasian Spoonbill 2, Eurasian Wigeon 3 male, Garganey 1 male, Little Ringed Plover 2, Grey Plover 1.
Passing. White Stork 2, Common Ringed Plover 7 NE.
May 5 - Black-necked Grebe 6, Little Egret 1 south-east end, Eurasian Spoonbill 1, Common Ringed Plover 1, Black Tern 1.
May 4 - Eurasian Wigeon 3 male, Ruff 1, Black-tailed Godwit 54, Eurasian Curlew 2, Wood Sandpiper 2, Mediterranean Gull 2 adult, Black-headed Gull 211 nests, Common Cuckoo 2, Bluethroat 4, Whinchat 1, European Reed Warbler 21, Common Whitethroat 2.
Woods south of Starrevaart. Marsh Tit 1.
Passing. White Stork 2, Blue-headed Wagtail 1.
May 3 - Black-necked Grebe 2, Common Swift 200.
Shell island. Pied Avocet 34, Black-headed Gull 110 nests.
May 2 - Black-tailed Godwit 12 (10 Icelandic), Spotted Redshank 7.


April 2003

April 30 - Black-necked Grebe 2, Dunlin 1, Black-tailed Godwit 48, Spotted Redshank 5, Wood Sandpiper 1, Mediterranean Gull 1 adult 1 2cy, Little Gull 1 2cy, Black Tern 1, Common Swift 250, Eurasian Green Woodpecker 1 singing, Barn Swallow 480, Common Grasshopper Warbler 2.


Spotted Redshanks moulting to summer plumage, 30-4-2003

April 29 - Common Goldeneye 2, Dunlin 1, Spotted Redshank 3, Wood Sandpiper 1, Common Swift 370.
Passing. White Stork 1, Eurasian Spoonbill 1, Whimbrel 4.
April 27 - Eurasian Spoonbill 1, Western Marsh Harrier 2 male, Green Sandpiper 1, Mediterranean Gull 2, Little Gull 6, Common Swift 120, Sand Martin 10, Common House Martin 15.
April 26 - Red-crested Pochard 1 male, Little Ringed Plover 4, Ruff 10, Bar-tailed Godwit 2, Spotted Redshank 4, Wood Sandpiper 1, Common Sandpiper 5, Little Gull 45, Black Tern 9, Common Swift 80, Northern Wheatear 1 female, Common Grasshopper Warbler 1, Common Whitethroat 2.
Passing. Whimbrel 4, Mediterranean Gull 6, Blue-headed Wagtail 3.
April 25 - Little Gull 15 adult 2 juvenile, Black Tern 4.
April 24 - Eurasian Spoonbill 1 juvenile, Common Swift 22.
April 23 - Little Egret 1 south-east end, Common Swift 2, Eurasian Green Woodpecker 1.
Passing. Osprey 1 NNE.
April 22 - Little Egret 1 south-east end, Black-tailed Godwit 57 (pm. 20 Icelandic), Little Gull 1, Tree Pipit 1 at Kniplaan, European Reed Warbler 1, Garden Warbler 1.


Little Egret at south-west end, 22-4-2003 (Photo © Adri de Groot)

April 21 - Northern Shoveler 330, Little Ringed Plover 3, Ruff 1 male 2 female, Common Sandpiper 10, Mediterranean Gull 2 adult, Common Tern 32, Black Tern 1, Common Grasshopper Warbler 2, Sedge Warbler 20, Lesser Whitethroat 1.
Meeslouwerplas. Common Whitethroat 1.
Vlietland. Common Nightingale 1.
Meeslouwerplas and Vogelplas Starrevaart together. Bluethroat 11, Savi's Warbler 4.
Passing. Grey Heron 3 NE, White Stork 6 E, Eurasian Spoonbill 7 NE, Northern Goshawk 1 male NE, Eurasian Sparrowhawk 2 NE, Eurasian Hobby 1 NE, Spotted Redshank 2 NE, Tree Pipit 1 NE, Meadow Pipit 510 NE, Blue-headed Wagtail 1 NE, Common Linnet 2 SE.
April 20 - White Stork 1, Northern Shoveler 195, Peregrine Falcon 1 harassing 2 Common Buzzards, Pied Avocet 28, Little Ringed Plover 2, Black-tailed Godwit 170, Spotted Redshank 3, Common Sandpiper 2, Little Gull 19.
Vlietland. Eurasian Green Woodpecker 1 singing.
Passing. Eurasian Spoonbill 11 NE, Merlin 1 female NE, Ruff 3 male 5 female NE, Whimbrel 9 NE, Common Greenshank 21 NE, Green Sandpiper 12 NE, Common Swift 2 NE, Sand Martin 5 NE, Common House Martin 4 NE, Meadow Pipit 61 NE, Blue-headed Wagtail 4 NE, White Wagtail 3 NE, Fieldfare 2 NW, Eurasian Tree Sparrow 1 SE.


Garganeys at the Kniplaan, 20-4-2003

April 19 - Common Sandpiper 1, Ruddy Turnstone 1, Little Gull 1, Common Swift 1, Barn Swallow 30, Common House Martin 5, Common Grasshopper Warbler 1, Savi's Warbler 1.
April 17 - Northern Pintail 14, Common Goldeneye 1 male 9 female, Pied Avocet 35, Black-tailed Godwit 210 (pm. 90 Icelandic), Spotted Redshank 3, Common Greenshank 1, Green Sandpiper 1, Tree Pipit 3 south-west end, Sedge Warbler 13.
Roosting site count. Black-headed Gull 1450, Common Gull 450, Lesser Black-backed Gull 60, Common Tern 26.
April 16 - Black-necked Grebe 3, Garganey 8 pair, Common Redstart 1 male south-west end, Whinchat 1 male at observation tower, Ring Ouzel 1, Savi's Warbler 2, European Reed Warbler 1.
Passing. Meadow Pipit 3500 NE (during 5 quarter hour).
April 15 - Western Marsh Harrier 2, Savi's Warbler 1.
Leidschendammerhout. Black Redstart 1 male singing, Ortolan Bunting 1 male on bicycle lane.
Passing (8:00-9:15). Green Sandpiper 3 NE, Sand Martin 1 NE, Barn Swallow 8 NE, Meadow Pipit 750 NE (last quarter hour 490), Blue-headed Wagtail 2 NE.
April 14 - Little Gull 1, Lesser Black-backed Gull 36, Common Tern 17, European Reed Warbler 1.
Meeslouwerplas. Common Kingfisher 1, Common Nightingale 1.
April 13 - Black-tailed Godwit 650 (pm. 100 Icelandic), Mediterranean Gull 1, Little Gull 1, Common Tern 10, Savi's Warbler 1 at Kniplaan.
Passing (11-13 hours). Meadow Pipit 1940, Common Linnet 24.
April 12 - Eurasian Spoonbill 9, Dark-bellied Brent Goose 1, Garganey 10, Northern Goshawk 1, Pied Avocet 24, Common Ringed Plover 1, Ruff 1, Spotted Redshank 6, Green Sandpiper 2, Sandwich Tern 1, Common Tern 4, Bluethroat 8 singing.
Passing. Great Cormorant 29 NE, Purple Heron 1 N, White Stork 1, Barnacle Goose 4 NE, Meadow Pipit 33 NE.
April 11 - Eurasian Spoonbill 3, Little Ringed Plover 1, Black-tailed Godwit 1070 (min. 170 Icelandic), Little Gull 1 winter plumage, Yellow-legged Gull 1.
April 9 - Black-necked Grebe 4, Garganey 4 male 1 female, Common Goldeneye 8 male 27 female (record), Pied Avocet 20, Ruff 1.


Avocets on shell island, 9-4-2003

April 8 - Garganey 3 male 1 female, Common Tern 1.
Vlietland. Eurasian Green Woodpecker 1.
Leidschendammerhout. Black Redstart 1 female.
Passing. Mediterranean Gull 2 NE.
April 7 - Black-tailed Godwit 1560 (min. 140 Icelandic), Blackcap 1.
April 6 - Black-necked Grebe 1, Eurasian Spoonbill 9, Common Teal 75, Garganey 2 pair, Common Goldeneye 4 male 12 female, Western Marsh Harrier 2, Pied Avocet 12, Ruff 1, Black-tailed Godwit 1250 (pm. 250 Icelandic), Barn Swallow 2, Water Pipit 2, Pied Wagtail 1 female, Bluethroat 6 singing.
Meeslouwerplas. Little Grebe 1, Water Rail 1, Savi's Warbler 1, Sedge Warbler 3.


Greylag Geese with downy young, 6-4-2003

April 5 - Garganey 2 pair, Common Goldeneye 16, Eurasian Oystercatcher 72, Pied Avocet 13, Jack Snipe 1, Black-tailed Godwit 980.
April 4 - Cinnamon Teal 1, Western Marsh Harrier 1 pair, Bearded Reedling 1.
Passing. Fieldfare 50 N.
April 3 - Black-necked Grebe 2, Garganey 3 male 2 female, Barn Swallow 5, Willow Tit 1.


March 2003

March 31 - Black-necked Grebe 1, Western Marsh Harrier 1 pair, Peregrine Falcon 1, European Golden Plover 19, Black-tailed Godwit 1920 (pm. 200 Icelandic), Mediterranean Gull 1 2cy.
March 30 - Black-necked Grebe 2, Western Marsh Harrier 1 pair, Northern Goshawk 1, Pied Avocet 21, Ruff 12, Black-tailed Godwit 800, Spotted Redshank 2, Mediterranean Gull 2.
Passing. White Stork 1, Dunlin 1.
March 29 - Western Marsh Harrier 1 male, Hen Harrier 1 male, Dunlin 1, Ruff 6, Black-tailed Godwit (pm. 30 Icelandic), Eurasian Curlew 52, Green Sandpiper 1, Bluethroat 4 male.
Passing. Fieldfare 9 E.
March 28 - Eurasian Spoonbill 6, Eurasian Wigeon 1500, Garganey 1 pair, Western Marsh Harrier 1 male, Bluethroat 1, Ring Ouzel 1 male at southwest end, Sedge Warbler 1, Bearded Reedling 2.
Roosting site count. Black-tailed Godwit 530, Mediterranean Gull 2, Black-headed Gull 3600, Common Gull 3700, Lesser Black-backed Gull 60, European Herring Gull 700, Water Pipit 9.
March 27 - Northern Pintail 30, Northern Shoveler 274, Pied Avocet 21, Black-tailed Godwit 1200, Common Redshank 15, Sand Martin 1, Bluethroat 2.
Vlietland. Western Marsh Harrier 1 pair.
Passing. Barnacle Goose 106.
March 26 - Garganey 2 male 1 female, Cinnamon Teal 1, Smew 1 female, Black-tailed Godwit 1700 (pm. 170 Icelandic), Mediterranean Gull 1, Bluethroat 2, Sedge Warbler 1.
Passing. Fieldfare 58 N, Redwing 41 N.
March 25 - Smew 1 female, Western Marsh Harrier 1 male 1 female, Northern Goshawk 1, Fieldfare 21.
Vlietland. Willow Warbler 2.
Passing. White Stork 1.
March 24 - Black-necked Grebe 7, Northern Goshawk 1.
March 23 - Black-necked Grebe 4, Eurasian Spoonbill 7, Northern Pintail 26, Northern Shoveler 313, Smew 1 female, Pied Avocet 19, Little Ringed Plover 1, Jack Snipe 2 near de Vliet, Black-tailed Godwit 1850 (pm. 150 Icelandic), Eurasian Curlew 122, Spotted Redshank 4, Common Kingfisher 2, Water Pipit 23, Bluethroat 1, Savi's Warbler 1 near hide.
Vlietland. Red-crested Pochard 1 male.
Passing. Great Cormorant 95 NE, Eurasian Spoonbill 4 NE, Western Marsh Harrier 1 female NE, Common Buzzard at the same time, Ruff 23 NE, Grey Wagtail 1 NE.
March 22 - Eurasian Spoonbill 8, Garganey 3 male 2 female, Water Rail 3, Pied Avocet 12, Ruff 10, Jack Snipe 1 along Kniplaan, Common Snipe 8, Black-tailed Godwit 1200 (pm. 100 Icelandic), Eurasian Curlew 360, Mediterranean Gull 2 displaying, Water Pipit 10, Grey Wagtail 1, Bluethroat 1, Common Reed Bunting 30 (one group).
Passing. Great Cormorant 17 NE, Eurasian Spoonbill 6 NE, Eurasian Skylark 12 NE, Grey Wagtail 2 NE, White Wagtail 5 NE, Pied Wagtail 1 NE.
March 21 - Northern Goshawk 1 adult 1 juvenile, Peregrine Falcon 1, Dunlin 1, Green Sandpiper 1, Barn Swallow 1.
Passing. Red Kite 1, Common Linnet 1.
March 19 - Great Bittern 1, Eurasian Wigeon 4500, Northern Shoveler 210, Black-tailed Godwit 900.
March 18 - Black-necked Grebe 1, Greater White-fronted Goose 1100, Eurasian Wigeon 5100, Garganey 2, Common Crane 12 N, Eurasian Oystercatcher 150, Black-tailed Godwit 450, Mediterranean Gull 2.
March 17 - Eurasian Spoonbill 8, Eurasian Wigeon 3700, Black-tailed Godwit 1000.
March 16 - Northern Pintail 38, Garganey 7 male 4 female, Cinnamon Teal 1, Northern Shoveler 216, Smew 1, Pied Avocet 16, Dunlin 1, Jack Snipe 1 dyke north of hide, Black-tailed Godwit 1000, Mediterranean Gull 2.
Vlietland. Great Crested Grebe leucistic.
Passing. Northern Goshawk 1 N, Peregrine Falcon 1 E, Common Crane 8 N.
March 15 - Eurasian Spoonbill 7, Greater White-fronted Goose 1110, Eurasian Wigeon 2700, Northern Goshawk 1 juvenile male, Pied Avocet 19, Common Snipe 3, Black-tailed Godwit 1260 (75% Icelandic), Eurasian Curlew 63, Mediterranean Gull 2, Yellow-legged Gull 1, Fieldfare 7, Bearded Reedling 1 pair, Short-toed Tree Creeper 3.
Passing. European Golden Plover 3, Ruff 15, Common Redshank 10, White Wagtail 5.
March 14 - Black-necked Grebe 1 summer plumage, Eurasian Spoonbill 11, Greater White-fronted Goose 1020, Garganey 4, Northern Shoveler 250, Goosander 1 female, Peregrine Falcon 1 hunting, Pied Avocet 19, Dunlin 1, Ruff 12, Black-tailed Godwit 1900 (at least 60% Icelandic; 680 leaving N at dawn), Spotted Redshank 3, Common Redshank 16, Mediterranean Gull 2 pair (1 pair displaying), Water Pipit 9, Firecrest 2, Bearded Reedling 1.


Pair of mediterranean gulls, 14-3-2003 (Photo © Roland Groenen)

March 13 - Pied Avocet 21, Northern Chiffchaff 5.
March 12 - Pied Avocet 3, Black-tailed Godwit 1050 (appr. 900 Icelandic), Northern Chiffchaff 1 singing.
Passing. Dunlin 10 N.
March 9 - Eurasian Spoonbill 12, Greater White-fronted Goose 650, Northern Shoveler 127, Common Goldeneye 6 male 12 female, Pied Avocet 6, Black-tailed Godwit 650 (largely Icelandic), Spotted Redshank 2.
March 7 - Eurasian Spoonbill 14, Greater White-fronted Goose 980, Garganey 1 pair, Common Goldeneye 4 male 9 female, Smew 3 male 8 female, Pied Avocet 45, Ruff 1 female, Black-tailed Godwit 800, Common Redshank 11.
March 5 - Cinnamon Teal 1, Black-tailed Godwit 980 (with at least 100 Icelandic), Common Redshank 3.
March 4 - Greater White-fronted Goose 1200, Eurasian Oystercatcher 80, Dunlin 1, Black-tailed Godwit 850, Eurasian Curlew 290, Mediterranean Gull 2 adult, Water Pipit 24.
On the Vliet. Red-breasted Merganser 1 male.
Passing. White Stork 2 SW.
March 3 - Great Bittern 1, Eurasian Spoonbill 9, Greater White-fronted Goose 380, European Golden Plover 3, Common Redshank 1, Mediterranean Gull 1 adult, Barn Swallow 1 (earliest ever).
March 2 - Great Bittern 1, Eurasian Spoonbill 6, Greater White-fronted Goose 1700 (record), Northern Goshawk 1 male, Black-tailed Godwit 370 in the morning (with at least 100 Icelandic) and 800 in the afternoon, Mediterranean Gull 1, Mistle Thrush 1 singing.
Passing. Common Buzzard 6 (one group).
March 1 - Eurasian Spoonbill 10, Goosander 1 female, Dunlin 2, Black-tailed Godwit 270 (of which pm. 70 Icelandic).
Roosting site count. Greater White-fronted Goose 1180, Water Pipit 34, Common Reed Bunting 9.


Februari 2003

February 28 - Eurasian Spoonbill 7, Red-crested Pochard 4 male 2 female, Greater Scaup 1 female, Common Goldeneye 6 male 22 female, Ruff 1, Black-tailed Godwit 365, Spotted Redshank 3, Mediterranean Gull 2 adult.
Roosting site count. Bewick's Swan 35, Greater White-fronted Goose 1350 (record), Eurasian Curlew 300, Water Pipit 39.
February 27 - Great Bittern 1, Eurasian Spoonbill 4, Bewick's Swan 185, Greater White-fronted Goose 760, Black-tailed Godwit 190, Meadow Pipit 19.
February 26 - Eurasian Spoonbill 6, Common Crane 1 NE at 18:00 hours, Eurasian Oystercatcher 71, Pied Avocet 2, Black-tailed Godwit 215, Spotted Redshank 2.
Roosting site count. Bewick's Swan 196, Eurasian Curlew 130, Water Pipit 47, Common Reed Bunting 7.
Passing. Greater White-fronted Goose 90 NE, Barnacle Goose 570 NE, Northern Lapwing 90 NE, Eurasian Skylark 2, Meadow Pipit 2, Fieldfare 46 NE.


Greater White-fronted Geese migrating, 26-2-2003

February 25 - Eurasian Spoonbill 6, Bewick's Swan 196, Pied Avocet 1, Black-tailed Godwit 510.
February 24 - Great Bittern 1, Eurasian Spoonbill 4, Pied Avocet 1, Ruff 1, Black-tailed Godwit 92.
February 23 - Great Bittern 1, Common Kingfisher 1.
Passing. Eurasian Spoonbill 10 N.
February 22 - Eurasian Spoonbill 3, Ruff 1, Black-tailed Godwit 227, Carrion Crow 20, Hooded Crow 1.
Vlietland. Eurasian Wigeon 9000, Tufted Duck 610.
Roosting site count. Bewick's Swan 188, Eurasian Curlew 410, Water Pipit 29, Common Reed Bunting 4.
Passing. Greater White-fronted Goose 620 NE, Barnacle Goose 390 NE, Eurasian Skylark 44 NE, European Serin 3 E.


Black-tailed Godwits on the ice, 22-2-2003

February 21 - Bewick's Swan 175, Northern Pintail 55, Black-tailed Godwit 31, Eurasian Curlew 450, Spotted Redshank 2, Hooded Crow 1.
Vlietland. Greater White-fronted Goose 1600 (record), Eurasian Woodcock 1.
Passing. Greylag Goose 490 N.
February 20 - Great Bittern 3, Hooded Crow 1.
February 19 - Common Shelduck 68, Smew 18, Hooded Crow 1.
February 18 - Great Bittern 1, Eurasian Spoonbill 1, Bewick's Swan 107, Greater White-fronted Goose 280, Goosander 1 male, Northern Goshawk 1 juvenile, Water Rail 2, Black-tailed Godwit 1, Eurasian Curlew 290, Spotted Redshank 4, Meadow Pipit 16, Firecrest 1, Hooded Crow 1, Lapland Longspur 1.
Vogelplas and Vlietland together. Greylag Goose 640, Common Shelduck 75.
Passing. White Stork 2, Barnacle Goose 20.
February 17 - Common Shelduck 85 (record), Goosander 1 male.
February 16 - Greater White-fronted Goose 218, Eurasian Curlew 266, Water Pipit 23, Hooded Crow 1.
Vlietland. Little Grebe 11, Long-eared Owl 9.
Vogelplas and Vlietland together. Eurasian Wigeon 16400.
Passing. Pink-footed Goose 37.
February 15 - Northern Pintail 43.
February 14 - Great Bittern 1, Eurasian Spoonbill 2, Bewick's Swan 137, Greater White-fronted Goose 880 (record), Common Shelduck 63 (record), Common Goldeneye 10, Smew 34 (record), Black-tailed Godwit 2, Green Sandpiper 1, Hooded Crow 1.
Meeslouwerplas. Egyptian Goose 180, Ruddy Shelduck 1, Spotted Redshank 4, Water Pipit 27, Common Reed Bunting 9.
Passing. Great Spotted Woodpecker 3 west.
February 13 - Eurasian Spoonbill 2, Greater White-fronted Goose 650, Meadow Pipit 11.
Passing. Eurasian Spoonbill 2 east.
February 10 - Great Bittern 1, Eurasian Spoonbill 6, Greater White-fronted Goose 300, Spotted Redshank 3, Hooded Crow 1.


First Eurasian Spoonbills arrived, 10-2-2003 (Photo © Martin Peters)

February 9 - Whooper Swan 2, Spotted Redshank 4.
February 8 - Great Bittern 1, Bewick's Swan 91, Tundra Bean Goose 20, Greater White-fronted Goose 615, Greylag Goose 830, Eurasian Wigeon 4800, Gadwall 84, Northern Pintail 35, Common Goldeneye 25, Northern Goshawk 1, Peregrine Falcon 1, Jack Snipe 1, Black-tailed Godwit 1, Eurasian Curlew 9, Water Pipit 35, Hooded Crow 1.
Oostvlietweg. Eurasian Collared Dove 20, Long-eared Owl 2, Eurasian Tree Sparrow 3.


Hooded Crow still present, 8-2-2003

February 7 - Long-eared Owl 2 hunting at end of day.
February 6 - Greater White-fronted Goose 270 landing from a flying group of 600, Common Teal 200, Smew 9 male 18 female, Hooded Crow 1.
Vlietland. Eurasian Woodcock 1, Firecrest 2, Short-toed Tree Creeper 1.
February 4 - White Stork 1 south, Spotted Redshank 1.
February 2 - Great Bittern 1, Mediterranean Gull 1, Hooded Crow 1.
February 1 - Common Shelduck 54, Eurasian Wigeon 4500, Northern Shoveler 346, Grey Wagtail 1.
Passing. Fieldfare 173.


Januari 2003

January 31 - Little Grebe 3, Great Cormorant 62, Great Bittern 1, Greater White-fronted Goose 680 (record), Common Shelduck 42, Smew 16, Common Chaffinch 55.


Record count of White-fronted Geese, 31-1-2003

January 27 - Cinnamon Teal 1 (escape), Eurasian Curlew 253.
January 26 - Little Grebe 1, Greylag Goose 360, Northern Pintail 31, Common Pochard 22, Tufted Duck 420, Long-tailed Duck 1 female, Smew 18, Jack Snipe 2, Eurasian Green Woodpecker 1, Goldcrest 1, Firecrest 4, Bearded Reedling 3, Eurasian Siskin 50.
Meeslouwerplas. Spotted Redshank 4.
Roosting site count. Bewick's Swan 121, Greater White-fronted Goose 330, Water Pipit 48 (record), Common Reed Bunting 5.
Passing. Greater White-fronted Goose 500 N, Goosander 1 female SW.
January 24 - bean goose spec. 7, Greater White-fronted Goose 120, Smew 10, Common Buzzard 4, Water Pipit 15.
January 21 - Long-eared Owl 1 hunting along the Vliet.
January 19 - Greater White-fronted Goose 27.
January 18 - Great Bittern 1, Bewick's Swan 61, Northern Pintail 43, Common Goldeneye 9, Jack Snipe 2, Spotted Redshank 2, Fieldfare 1, Hooded Crow 1, Lapland Longspur 1.
Vlietland. Pink-footed Goose 19, Common Redshank 1.
Vogelplas and Vlietland together. Little Grebe 10, Great Crested Grebe 34, Tufted Duck 553, Firecrest 7, Long-tailed Tit 27 of which 1 white-headed.
Roosting site count. Black-headed Gull 22000, Common Gull 12000, European Herring Gull 1700, Great Black-backed Gull 2, Water Pipit 29.
Passing. Green Sandpiper 1, Eurasian Skylark 1.
January 16 - Great Bittern 1, Greater White-fronted Goose 34.
Passing. White Stork 1.
January 12 - Common Teal 74, Northern Shoveler 160, Common Crane 1 at 10:30 hours flying past to NE, Meadow Pipit 8, Grey Wagtail 1.
Passing. Fieldfare 20.
January 11 - Vlietland. Little Grebe 19, Great Crested Grebe 79, Whooper Swan 2, Eurasian Wigeon 11000, Water Rail 4, Eurasian Coot 2600, Green Sandpiper 1, Eurasian Green Woodpecker 1.
Passing. White Stork 3.
January 10 - Bewick's Swan 233, Greater White-fronted Goose 360, Eurasian Curlew 152.
Passing. Barnacle Goose 46, Fieldfare 14.
January 8 - Great Bittern 2, Bewick's Swan 235, Greater White-fronted Goose 350, Eurasian Curlew 220, Firecrest 1, Hooded Crow 2.
Vlietland. White-tailed Eagle 1 adult staying shortly on southward passage, Northern Goshawk 1 juvenile, Peregrine Falcon 1.
Passing. Eurasian Skylark 75.


Common Buzzard and Carrion Crow on carrion.
In the background Eurasion Widgeon and
Curlew, 8-1-2003

January 7 - Bewick's Swan 70, Common Snipe 1, Eurasian Curlew 171, Hooded Crow 1.
Near the Overhaalbrug. Common Teal x Eurasian Widgeon 1.
Passing. Eurasian Skylark 15, Fieldfare 15.
January 6 - Great Bittern 2, Hen Harrier 1 male, Northern Goshawk 1, Hooded Crow 2.
January 5 - Bewick's Swan 122, Greylag Goose 523, Common Shelduck 33, Common Teal 126, Smew 4 male 7 female, Jack Snipe 4, Common Snipe 1, Spotted Redshank 4, Water Pipit 27.
Passing. Meadow Pipit 1, Fieldfare 140, Mistle Thrush 1, Eurasian Siskin 15.


Common teals in the snow, 5-1-2003

January 4 - Greater White-fronted Goose 188, Hooded Crow 1.
January 1 - Bewick's Swan 123, Greater White-fronted Goose 258, Greylag Goose 573, Canada Goose 117, Northern Shoveler 149, Northern Goshawk 1, Fieldfare 12.
Passing. bean goose spec. 108, Greater White-fronted Goose 114, Barnacle Goose 92.


List of observers

The following people have contributed to the overview of 2003 by submitting their observations (and thank you for this!):
Guido Aijkens, M. Ammerlaan, Jan Bais, Bart Ballieux, Hemme Batjes, Remco Beijersbergen, Hans van der Berg, Peter Bertens, Rene Bies, An Bouchier, Claire de Brey, Daphne van den Broek, Matthijs Broere, Erik Campen, Kees Dijkstra, Bart Dijkstra, Arjan van Egmond, Bert van Eijk, Jaap Engberts, Ed van Estrik, Richard Evans, Roland Groenen, Adri de Groot, Maarten Haverkamp, Jac. van Heiningen, Bas den Herder, Jan Huizer, Brian Hunter, Hans Keijser, Gerard Keijzer, Wim ter Keurs, Bram ter Keurs, Marc Kolkman, Dick van der Laan, Niels Lameijer, Danny Laponder, Luc Leermakers, Peter Meeuwenoord, Paul Mollevanger, Wouter Plomp, Luuk Punt, Nicolette Rab, Wim Remmelzwaal, Willem Renema, Gerrit Rozeboom, Ellen Sandberg, Sjaak Schilperoort, Vincent van der Spek, Wouter van Spijker, Wouter Teunissen, Marcel van der Tol, Herman de Tollenaere, Wim van Urk, Dylan Verheul, Max van Waasdijk, Fokke van der Weij, Rick van der Weijde, Mark Zevenbergen, Hans Ziedses, Ko van Zuijen, Jack Zwanenburg.