Restart Bird Identification Expert

What was the SIZE of the White Gull-like bird you saw in Wyoming?



Black-legged Kittiwake: This is a medium-sized white gull with pale gray back and upperwings and black wing tips. The bill is yellow and the legs and feet are black. It has a swift, graceful flight, alternating several rapid shallow wing beats with a glide. Hovers over water before diving for prey at the surface. It feeds on marine invertebrates, plankton and fish. The sexes look very similar.
Sabine's Gull: Small gull with gray back and white nape, rump, and underparts. Hood is solid black and eye-ring is dark red. Bill is black with yellow tip; legs and feet are black. The upperwings are gray with black primaries and white secondaries. Tail is slightly forked when folded.
Black-headed Gull: Small, white gull with partial hood, white crescents above and below eye, and white-gray back. Red bill. Wings with black tips and black bases of primaries. Sexes similar. Non-breeding adult lacks hood, black mark behind eye, and black tip on bill. Juvenile like winter adult but more black on wing and tail with black tip.
Little Gull: The smallest of all gulls, with pale gray upperparts and white nape, neck, breast, belly, and tail. Hood is black and extends onto upper neck. Underwings are dark. Bill is dark red with black tip. Legs and feet are red-orange. Strong direct flight with deep wing beats.
Ross's Gull: The pink gull of the high Arctic. Small gull, pale gray upperparts, gray-white nape, white neck with thin black collar, and white, wedge-shaped tail; underparts are variably pink. Black bill is very short; legs, feet are orange-red. Often feeds on mudflats like a wader.
Mew Gull: Medium-sized gull with gray back and upperwings, and white head, neck, breast, and belly. Bill is bright yellow. Wings have white-spotted black tips; tail is white. Feet and legs are dull yellow. Graceful, bouyant flight. Undulating, with several rapid wingbeats and a pause.
Western Gull: This large gull has gray upperparts, white head, neck, tail and underparts, yellow eyes, a bright yellow bill with red spot near tip and pale pink legs and feet. It has gray upper wings, white-edged with white-spotted black tips. Diet includes fish, crabs, clams, eggs, carrion and garbage. It has a direct flight; strong, steady wing beats; soars on thermals. Sexes are similar.
Glaucous-winged Gull: This large gull has gray upperparts with white underparts, head and neck. The eyes are dark and the bill is yellow with a red spot on the lower mandible. The wings are gray with white edges and spots near the tips. The legs and feet are pink. It feeds on fish, small birds, or almost anything. It has a powerful direct flight and often soars on thermals. The sexes are similar.
Glaucous Gull: This large white gull has a pale gray back and yellow eyes. The bill is yellow with a red spot on the lower mandible. The wings are white-edged and white tipped; the legs and feet are pink. It is an active predator of seabird nesting colonies. Diet includes fish, insects and birds. It has slow steady wing beats and soars on thermals and updrafts. The sexes are similar.
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.
Common Tern: This medium-sized tern has medium gray upperparts, pale gray underparts and a glossy black cap and nape. The wings are dark-tipped with a dark leading edge on the forewing. The red bill is black-tipped, legs are red, and the tail is deeply forked and elongated. It has a direct flight, hovering above water before diving for prey. Feeds mainly on small marine fish. Sexes are similar.
Arctic Tern: This is a medium-sized, slim tern with gray upperparts, black cap, a white rump and throat, and pale gray underparts. The tail is deeply forked and white with dark edged outer feathers. The bill is dark red. The legs and feet are red. It has a buoyant, graceful flight with steady wing beats. It feeds on small fish, crustaceans and insects. Both sexes are similar in appearance.
Thayer's Gull: Having had full species status since 1973, as of 2017, the AOU considers this gull to be a subspecies of the Iceland Gull and has lumped it there. To see this please jump to the Iceland Gull species account. New subspecies range maps for this bird will be available in the next iBird update at which time we will retire the Thayer’s Gull as it’s own species.
 
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