Saturday, 26 April 2014

Albatross


Perhaps best-known for its being cursed by sailors as a harbinger of bad luck, this bird of the world's southern oceans spends long periods at sea, covering several thousand kilometers on a single foraging trip, and comes to shore seasonally to nest. It is long-lived, with an estimated life-span of 30-40 years, and is one of sixteen albatross species identified as globally threatened in recent years, in large part due to drowning on fishery longlines Albatrosses range in length from 50 to 125 cm (20 to 50 in). Plumage varies from white through dark gray or gray-brown, with combinations of all three being common. The large hooked bill, covered with horny plates, has characteristically prominent tubular nostrils. The three front toes are webbed, and the rear toe may be absent or vestigial. Albatrosses live on land only during the breeding season, usually nesting in colonies on the shores of remote oceanic islands. Courtship displays are highly elaborate. Incubation of a single large white egg lasts two to three months.
» Population: 15,000 breeding pairs
» Location: Southern oceans
» Wingspan: 9 feet
» Weight: 20 pounds
» Diet: Squid & fish
» Nests: Cones of mud and grass
» Appearance: Adult has white head and body, upper wing mostly brown black with an area of white at the leading edge.

0 comments: