|
Greater Shearwater: Large shearwater, scaled, gray-brown upperparts, white underparts, brown markings on belly. Dark cap contrasts with white face. Tail is dark above with conspicuous white rump band and gray below. Dark, hooked bill. Pink legs, feet. Flies on deep wing beats followed by long glide.
|
|
|
Manx Shearwater: Small shearwater with brown-black upperparts and white underparts, underwings and undertail coverts. Black cap 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.
|
|
|
Leach's Storm-Petrel: Medium storm-petrel with dark brown body and white rump and undertail feathers. Wings are dark with pale gray-brown bar on upperwings. Long tail is dark and forked. Bill, legs, and feet are black. Its flight is bounding and erratic, with frequent changes of direction and speed.
|
|
|
Bonaparte's Gull: Medium gull with black head and bill, gray back and wings, white underparts and tail. White outer primaries with black trailing edges are visible in flight. Legs are red-orange. Catches fish by wading and diving. Light and direct flight with rapid wing beat, ternlike.
|
|
|
Black-headed Gull: Medium-sized gull with pale gray back and upperwings and dark brown face and partial hood. Nape, neck, breast, belly, and tail are white. Bill and legs are dark red. Wings have white triangular panel formed at the leading edge of black-tipped primaries in flight.
|
|
|
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.
|
|
|
Ring-billed Gull: Medium gull with gray upperparts and white underparts. Head is white and bill is yellow with black ring near tip. Wings are gray above, tipped black with white spots, and white below. Yellow legs and feet. Strong direct flight on deep wing beats, soars on thermals.
|
|
|
Herring Gull: Large gull, pale gray back and wings with black tips, white head, neck breast. White tail and underparts. Bill is yellow with red spot near tip; legs are pink. Strong steady flight with deep wing beats. Soars on thermals and updrafts. Most widespread North American Gull.
|
|
|
Glaucous Gull: Large, white gull with pale gray back. Eyes are yellow. Bill is yellow with red spot on lower mandible. Wings are white-edged and white tipped. Legs and feet are pink. An active predator of seabird nesting colonies. Slow, steady wing beats. Soars on thermals and updrafts.
|
|
|
Iceland Gull: Large, white gull, pale, pearl-gray back and upper wings. Bill is yellow, red spot at tip of lower mandible. Wing tips sometimes marked with pale to dark gray. White tail; legs and feet are pink. Direct flight with strong deep wing beats. Soars on thermals and updrafts.
|
|
|
Lesser Black-backed Gull: Medium-sized gull with dark gray back and wings. Head, neck and underparts are white. Rump and tail are white. Bill is yellow with red spot near tip. The wings have dark tips with white spots; legs and feet are yellow. Eyes are yellow with red orbital rings.
|
|
|
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.
|
|
|
Black-legged Kittiwake: Medium-sized white gull with pale gray back and upperwings and black wing tips. Bill is yellow, legs and feet are black. Swift graceful flight, alternates several rapid shallow wing beats with a glide. Often hovers over water before diving for prey at surface.
|
|
|
Caspian Tern: Large, stocky tern with pale gray upperparts, white underparts. Cap is black and may appear weakly crested; large bill is coral-red. Undersides of primaries are gray. Tail is white, relatively short, and slightly forked; legs are black. Hovers above water before diving.
|
|
|
Common Tern: Medium tern, medium gray upperparts, pale gray underparts, glossy black cap and nape. Wings are dark-tipped and have dark leading edge on forewing. Red bill is black-tipped. Legs are red and tail is deeply forked and elongated. Direct flight, hovers above water before diving for prey.
|
|
|
Arctic Tern: Medium, slim tern with gray upperparts, black cap, white rump and throat, and pale gray underparts. Tail is deeply forked and white with dark edges on outer feathers. Bill is dark red, rarely tipped with black. Legs and feet are red. Bouyant graceful flight with steady wing beats.
|
|
|
White-winged Tern: Small tern, black head, body, and underwing coverts; white rump, vent, upperwing coverts, and tail; flight feathers are pale gray. Bill is dark red to black; Red legs and feet. Fluttering, uneven flight with slow, shallow wing beats. Hovers before dipping for prey.
|
|