Restart Bird Identification Expert

What was the SIZE of the Black Gull-like bird you saw in Montana?



Manx Shearwater: Small shearwater with brown-black upperparts and white underparts, underwings and undertail coverts. Black head is darker than back. The bill is dark. Wings are long, slim, and straight. Tail is short and pointed. Feeds on fish and squid. Alternates long glides and rapid wing beats.
Great Black-backed Gull: World's largest gull. White head, black upperparts, white underparts, large yellow bill with red spot on lower mandible, pale-eyed with red orbital ring, pink legs, feet. Flight is direct and powerful with deep, slow wing beats. Soars on thermals or updrafts.
 
Restart Bird Identification Expert