António A Gonçalves:
Larus michahellis - Gaivota de Patas Amarelas/Yellow-legged Gull
António A Gonçalves:
Larus fuscus - Gaivota de Asa Escura/Lesser Black-backed Gull
António A Gonçalves:
Larus canus vs Larus melanocephalus
António A Gonçalves:
Chroicocephalus (Larus) genei - Gaivota de Bico Fino/Slender-billed Gull
António A Gonçalves:
Gelochelidon (Sterna) nilotica - Tagaz/Gull-billed Tern
António A Gonçalves:
Larus melanocephalus - Gaivota de Cabeça Preta/Mediterranean Gull
António A Gonçalves:
Larus fuscus - Gaivota de Asa Escura/Lesser Black-backed Gull
António A Gonçalves:
Larus melanocephalus 35E6
António A Gonçalves:
Larus melanocephalus - Gaivota de cabeça preta/Mediterranean Gull
António A Gonçalves:
Larus michahellis - Gaivota de Patas Amarelas/Yellow-legged Gull
António A Gonçalves:
Larus fuscus - Gaivota de Asa Escura/Lesser Black-backed Gull
António A Gonçalves:
Larus fuscus - Gaivota de Asa Escura/Lesser Black-backed Gull
António A Gonçalves:
Larus fuscus - Gaivota de Asa Escura/Lesser Black-backed Gull
António A Gonçalves:
Larus fuscus - Gaivota de Asa Escura/Lesser Black-backed Gull
António A Gonçalves:
Larus michahellis
António A Gonçalves:
Larus fuscus P M
António A Gonçalves:
Locustella naevia
António A Gonçalves:
Sternula albifrons IBH
António A Gonçalves:
Acrocephalus paludicola
António A Gonçalves:
Larus fuscusY957
António A Gonçalves:
Larus fuscus 9CN4
António A Gonçalves:
Larus fuscus V8TM
António A Gonçalves:
Larus fuscus J562A
António A Gonçalves:
Larus fuscus 3P7
António A Gonçalves:
Larus melanocephalus R82K
António A Gonçalves:
Larus fuscus J131L
António A Gonçalves:
Pandion haliaetus NV9
António A Gonçalves:
Larus fuscus J.T
António A Gonçalves:
Larus fuscus H.=
António A Gonçalves:
Larus fuscus 3Z8
