Senin, 22 Juni 2009

2,500-year-old bird's nest found

A 2,500-year-old bird's nest has been discovered on a cliff in Greenland.

The nesting site is still continually used by gyrfalcons, the world's largest species of falcon, and is the oldest raptor nest ever recorded.

Three other nests, each over 1,000 years old, have also been found, one of which contains feathers from a bird that lived more than 600 years ago.

Like many falcons, gyrfalcons do not build nests out of sticks and twigs, but typically lay eggs in bowl-shaped depressions they scrape into existing ledges or old nests made by other birds such as ravens.

Source

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