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Tree Swallowby newbirder on August 5, 2008
Tree Swallowby jim macgregor on June 24, 2008
Tree Swallowby jim macgregor on June 20, 2008
Tree Swallowby Rangifer on June 9, 2008
Tree Swallowby jim macgregor on June 6, 2008
Tree Swallow
The Tree Swallow, Tachycineta bicolor, is a migratory passerine bird that breeds in North America and winters in Mexico, Central America and the Caribbean. It is a very rare vagrant to western Europe.
This swallow averages 13.5 cm (5 inches) long and weighs about 20g. The bill is tiny. The adult Tree Swallow has iridescent blue-green upperparts, white underparts, and a very slightly forked tail. The female usually has duller colours than the male, often more greenish than the more bluish male. The juvenile plumage is dull grey-brown above and may have hint of a gray breast band.
Tree Swallows nest in natural or artificial cavities near water and are often found in large flocks. They subsist primarily on a diet of insects, sometimes supplemented with small quantities of fruit.
External links
*Tree Swallow at USGS