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Adouin's Gulls
Hybrid Herring Gull x Lesser Black-backed Gull
Slaty-backed Gull
All / alles (Heermann's Gull)
Favs / favorieten
All / alles (Herring Gull)
All / alles (Herring Gull adult)
January / Januari (Herring Gull adult)
February / Februari (Herring Gull adult)
March / Maart (Herring Gull adult)
April (Herring Gull, adult)
May / mei (Herring Gull adult)
June / Juni (Herring Gull adult)
July / juli (Herring Gull adult)
August / Augustus (Herring Gull adult)
September (Herring Gull adult)
October / oktober (Herring Gull, adult)
November (Herring Gull adult)
December (Herring Gull adult)
All / alles (Herring Gull 5cy / 5kj)
February / februari (Herring Gull, 5cy)
April (Herring Gull, 5cy)
May / mei (Herring Gull 5cy)
June/juni (Herring Gull, 5cy)
November (Black-headed Gull)
July / juli (Herring Gull 5cy)
September (Herring Gull 5cy / 5kj)
All / alles (Herring Gull 4cy / 4kj)
February/februari (Herring Gull 4cy)
April (Herring Gull 4cy)
May / mei (Herring Gull 4cy)
June/juni (Herring Gull, 4cy)
July/juli (Herring Gull, 4cy)
August / Augustus (Herring Gull 4cy / 4kj)
September (Herring Gull 4cy / 4kj)
October / oktober (Herring Gull, 4cy)
November (Herring Gull 4cy / 4kj)
All / alles (Herring Gull 3cy / 3kj)
January / Januari (Herring Gull 3cy / 3kj)
February / februari (European Herring Gull, 3cy)
May / Mei (Herring Gull 3cy /3kj)
September (Herring Gull 3cy / 3kj)
October / oktober (Herring Gull, 3cy / 3kj)
All / alles (Herring Gull 2cy / 2kj)
January / januari (Herring Gull 2cy / 2kj)
February / Februari (Herring Gull 2cy)
May / mei (Herring Gull 2cy)
June/juni (Herring Gull, 2cy)
July / juli (Herring Gull 2cy / 2kj)
August / Augustus (Herring Gull 2cy)
September (Herring Gull 2cy / 2kj)
October / Oktober (Herring Gull 2cy / 2kj)
All / alles (Herring Gull 1cy / 1kj)
June / Juni (Herring Gull 1cy)
July / juli (Herring Gull 1cy /1 kj)
August / Augustus (Herring Gull 1cy / 1kj)
September (Lesser Black-backed Gull, 1cy/1kj)
July/ juli (Dutch Lesser Black-backed Gull 1cy / 1kj)
September (Herring Gull 1cy / 1kj)
October / oktober (Herring Gull 1cy / 1kj)
November (Herring Gull 1cy / 1kj)
December (Herring Gull 1cy / 1kj)
1st cycle tail patterns / 1ste cyclus staartpatronen
1st cycle / 1ste cyclus (European Herring Gull)
ssp argentatus
Behavior / gedrag (European Herring Gull)
Non-standard / Afwijkend (Larus argentatus)
??G[S]
B[F.CAV]
All / alles N[D]G[A]
January / Januari N[D]G[A]
February / Februari N[D]G[A]
March / Maart N[D]G[A]
April N[D]G[A]
May / mei N[D]G[A]
June / juni N[D]G[A]
July / juli N[D]G[A]
August / augustus N[D]G[A]
September N[D]G[A]
October / oktober N[D]G[A]
December N[D]G[A]
G[K.NAT]
G[M.ABB]
M[Arnhem 5414557]
M[Arnhem 5419235]
M[Arnhem 5429287]
M[Arnhem 5463318]
M[Bruxelles H-50949]
M[London GC89668]
Y[C59VH] Helsinki HT-235484
Y[E261]Y[E]
Upperwings (European Herring Gull)
Underwings (European Herring Gull adult)
All /Alles (Lesser Black-backed Gulls)
Adult (Lesser Black-backed Gull)
April (Lesser Black-backed Gull, >4cy)
May / Mei (Lesser Black-backed Gull, >4cy)
June / Juni (Lesser Black-Backed Gull, >4cy)
July / juli (Lesser Black-backed Gull, >4cy)
August / augustus (Lesser Black-backed Gull >4cy)
September (Lesser Black-backed Gull, >4cy>
4cy / 4kj Lesser Black-backed Gull)
3cy / 3kj (Lesser Black-backed Gull)
All / alles (Lesser Black-backed Gull 2cy / 2kj)
May / Mei (Lesser Black-backed Gull, 2cy)
July / juli (Lesser Black-backed Gull, 2cy)
August / augustus (Lesser Black-backed Gull 2cy)
September (Lesser Black-backed Gull, 2cy)
October / oktober (Lesser Black-backed Gull, 2cy)
All /Alles (Lesser Black-backed Gulls 1cy / 1kj)
July / juli (Lesser Black-backed Gull 1cy / 1kj)
October / oktober (Lesser Black-backed Gull, 1cy)
November (Lesser Black-backed Gull 1cy / 1kj)
First cycle (Lesser Black-backed Gull)
August /augustus (Lesser Black-backed Gull 1cy / 1kj)
September (Lesser Black-backed Gull 1cy / 1kj)
October / oktober (Lesser Black-backed Gull, >4cy)
All / alles Lesser Black-backed Gull (L. f. graellsii)
Dutch Lesser Black-backed Gull (L. f. graellsii - Dutch intergrade)
All / alles Dutch Lesser Black-backed Gull (L.f. graellsii - Dutch intergrade)
All / alles Dutch Lesser Black-backed Gull (1cy / 1kj)
All / alles (Nordic Lesser Black-backed Gulls)
M[London GN64662]
N[JZZ7]
O[WL6.T]
W[H.0], Arnhem 5423483
Y[H.501] All / alles
Y[H.501] 4cy / 4kj
Y[H.501] 5cy / 5kj
Y[H.501] 3cy / 3kj
Behavior / gedrag (Lesser Black-backed Gull)
Tail pattern / Staartpatronen (Lesser Black-backed Gull)
Wing patterns / vleugelpatronen (Lesser Black-backed Gull)
Non-standard / Afwijkend (Larus fuscus)
Behavior / gedrag (Lesser Black-backed Gull)
All / alles (Caspian Gull)
3cy / 3kj (Caspian Gull)
4cy / 4kj (Caspian Gull)
2cy / 2kj (Caspian Gull)
1cy / 1kj (Caspian Gull)
All / alles (Yellow-legged Gull / Geelpootmeeuw)
1cy / 1kj (Yellow-legged Gull)
B[DB]
All / alles (Black-headed Gull)
All / alles (Black-headed Gull adult)
January / januari (Black-headed Gull adult)
February / Februari (Black-headed Gull adult)
March / Maart (Black-headed Gull adult)
April (Black-headed Gull adult)
May / mei (Black-headed Gull, adult)
June / Juni (Black-headed Gull adult)
July / juli (Black-headed Gull adult)
September (Black-headed Gull adult)
October / Oktober (Black-headed Gull adult)
November (Black-headed Gull adult)
December (Black-headed Gull adult)
All / alles (Black-headed Gull 2cy / 2kj)
January / Januari (Black-headed Gull 2cy / 2kj)
February / Februari (Black-headed Gull 2cy)
March / Maart (Black-headed Gull 2cy)
April (Black-headed Gull 2cy)
May / mei (Black-headed Gull, 2cy)
June / Juni (Black-headed Gull 2cy / 2kj)
October (Black-headed Gull 2cy / 2kj)
November (Black-headed Gull, 2cy)
December (Black-headed Gull 2cy / 2kj)
All / alles (Black-headed Gull 1cy / 1kj)
May / mei (Black-headed Gull, 1cy)
June / Juni (Black-headed Gull 1cy / 1kj)
July / juli (Black-headed Gull 1cy / 1kj)
September (Black-headed Gull 1cy / 1kj)
October / Oktober (Black-headed Gull, 1cy)
November (Black-headed Gull, 1cy)
December (Black-headed Gull 1cy / 1kj)
M[Arnhem 3431752]
M[Arnhem 3618174]
M[Arnhem 3618180]
M[Arnhem 3618181]
M[Arnhem 3618183]
M[Arnhem 3618185]
M[Bruxelles 5T77922]
M[Helsinki ST251.980]
W[E8ZM] Helsinki ST228.658]
M[Lithuania HA08.566] / White E0TY
M[Hiddensee IA067667]
R[4.6] Arnhem 3691873
R[U.K], Arnhem 3.722030
W[E5AP] Arnhem 3690362
W[E0CU], Arnhem 3.724.787
W[E5AV] Arnhem 3690367
W[E5AY] Arnhem 3690369
W[E5CN] Arnhem 3690380
W[E5EH] Arnhem 3690394
W[E5ER] Arnhem 3658909
W[E5FC] Arnhem 3693303
W[E5HV] Arnhem 3693366
W[E5JE], Arnhem 3693373
W[E5JM] Arnhem 3693378
W[E5RE] Arnhem 3693322
W[E5RM] Arnhem 3693419
W[E9KF] Arnhem 3658982
W[LBP] Gdansk FN.66228
W[LEK] Stockholm 6178292
W[LSB] Arnhem 3651665
W[TC69] Gdansk FN80282
Black-headed Gull, early head moult in winter
Non-standard / Afwijkend (Black-headed Gull)
Y[2.M]/W[E0TV] Arnhem 3580861
Behavior / Gedrag (Black-headed Gull)
Black-headed Gull with pink colloration
Black-headed Gulls - Gray hind-neck
Black-headed Gulls - leucism
All / alles (Mediterranean Gull)
All / alles (Mediterranean Gull adult)
March / maart (Mediterranean Gull, adult)
July / juli (Mediterranean Gull, adult)
All / alles (Mediterranean Gull 3cy)
April (Mediterranean Gull, 3cy)
July / juli (Mediterranean Gull, 3cy)
All / alles (Mediterranean Gull 2cy)
July / juli (Mediterranean Gull, 2cy)
All / alles (Mediterranean Gull 1cy)
July / juli (Mediterranean Gull, 1cy)
Tail patterns Mediterranean Gull, 1cy
All / alles (Common Gull)
1st cycle / 1ste cyclus (Common Gull)
All / alles (Iceland Gull)
1cy / 1kj (Black-legged Kittiwake)
2cy / 2kj (Black-legged Kittiwake)
3cy / 3kj (Black-legged Kittiwake)
All / alles (Black-legged Kittiwake adult)
All / alles (Black-legged Kittiwake)
Common Gulls
Yellow-legged Gulls
All / alles (Russian Common Gull)
Great Black-backed Gulls
All / alles (Great Black-backed Gull)
Caspian Gulls
All / alles (Glaucous Gull)
All / alles (Western Gull)
All / alles (Western Gull, adult)
All / alles (Western Gull 5cy)
All / alles (Western Gull 4cy)
All / alles (Western Gull 3cy)
All / alles (Western Gull 2cy)
All / alles Glaucous-winged Gull
2cy / 2kj (Glaucous Gull)
1cy / 1kj (Glaucous Gull)
Timorpark, Den Helder 2010
Westlandgracht, Amsterdam 2010
Katwijk aan Zee, 2009
Zoetermeer, June 2, 2010