ML146586591
gull sp. Larinae sp.
Contributeur
Spencer Hardy Fichiers multimédias de ce contributeur Profil
Date
Site d'observation
Sandbar Causeway (Chittenden County)
Chittenden, Vermont, United States
Fichiers multimédias de cet endroit Liste illustrée- Âge
- Non précisé
- Sexe
- Non précisé
Commentaires
Drinking
Détails de l'observation
Third-winter, large, dark-backed gull. Picked out from the parking lot (>500m), and re-found several times. Clearly distinct from the 3rd winter GBBG it was seen near a few times - smaller, with a much thinner bill. Slightly larger than HEGU. Mantle dark, close to GBBG, wings dark brown. I thought I could make out a white crescent, but couldn't be sure. In flight underwing mottled brown, but underside of primaries dark. Tail with a dark terminal band. Legs pale pink. Dark splotch around eye, bill with dark tip. Curious for other opinions, but I suspect Slaty-backed Gull, though Lesser Black-backed and some hybrid would be possibilities.
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