Tips for using Browse:

Browsing is a valuable way to learn about birds, however it is a brute force approach and not designed for identification. A more sophisticated approach to finding a bird with specific field marks is to use the Step by Step Search. You can also try the Wizard to find a bird, which uses a question and answer approach, but again it does not give you the flexibility of the Step by Step Search.

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South Polar Skua
South Polar Skua Dark: This small, gull-like skua occurs in two color phases. Dark phase adult has a dark brown body with a large white patch at base of primaries visible in flight. Dark bill, thick and heavy; short, broad tail. Light phase adult has pale gray-brown head and underparts. Feeds on fish, krill and squid. Strong direct flight with shallow wing beats. Sexes are similar.
Great Skua
Great Skua: Large, heavy-bodied seabird, prominent white patch in primary feathers. Body color ranges from a light bleached to dark brown, all have a cinammon wash that makes the bird look red-tinged. Strong direct flight with constant shallow wingbeats. Hugs wave contours or flies up to 150 feet. Great Skua was split into Great Skua and Brown Skua (not in North American range) by the American Ornithologist Union.
Pomarine Jaeger
Pomarine Jaeger: The dar morph of this large jaeger is dark brown except for white patches near underwing tips and sides of under tail. Light morph has white neck, pale yellow collar, white lower breast, mottled breast band, sides. Thick bill, pale base, two long central feathers twisted vertically on tail. Diet includes fish and small birds. Strong steady flight with deep wing beats. Sexes are similar.
Long-tailed Jaeger
Long-tailed Jaeger: Smallest but most buoyant and graceful jaeger or skua, with gray upperparts, white breast and gray belly. Black cap covers eyes, crosses chin and ends at yellow nape. Upperwings are dark edged. Tail is gray with black edges and long black streamers. Legs are blue-gray and toes are webbed. Sexes are similar. Juvenile is heavily barred and spotted gray; has white patches on underwings, white throat, white belly and dark-tipped gray bill. Dark juvenile is darker overall; has gray throat and lacks white belly.
Parasitic Jaeger
Parasitic Jaeger: The dark morph of this medium-sized jaeger has a brown body, darker cap and pale underwing patches near tips. Pale form has white underparts with brown breast band; intermediates between dark and light morphs occur. Diamond-shaped tail has elongated, pointed central feathers. Black bill, legs and feet. Alternates several deep flaps with glides and fast wing beats. Sexes are similar.