Bonaparte's Gull
by Mitch Shindelbower
Title
Bonaparte's Gull
Artist
Mitch Shindelbower
Medium
Photograph
Description
Bonaparte's Gull.The Bonaparte's gull is a small species, larger only than the little gull and the Saunders's gull among all gull species.[2] Adults are 28–38 cm (11–15 in) long with a 76–84 cm (30–33 in) wingspan and a body mass of 162–270 g (5.7–9.5 oz).[3][4] They have a black hood and a short thin dark bill. The body is mainly white with pale grey back and upper wings. The underwing is pale and the wing tips are dark. They have pink legs. In winter, the head is white.
In their first summer, the appearance of Bonaparte's gull is similar to that in its first winter, but paler due to wear. Fewer than 5% of Bonaparte's gulls acquire a dark hood in their first summer, and on those that do, the hood is duller than on breeding adultsThe breeding habitat of the Bonaparte's gull is found near bogs or lakes in coniferous forest across western Canada and Alaska. They nest in conifers, sometimes on the ground.
They are migratory and most move east or west to coastal waters, also the Great Lakes. They are rare vagrants to western Europe, where they usually associate with the somewhat larger black-headed gulls.
These birds forage in flight or pick up objects while swimming or wading. They mainly eat insects, crustaceans and fish. Unlike some other gulls, this bird rarely scavenges.
They are graceful in flight, more like terns.
Uploaded
November 19th, 2014
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