
The Tree Swallow 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 long and weighs about 20 g. 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.. more
Similar species: Passerines
By Christine Young
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Uploaded Dec 18, 2018. Captured Jun 4, 2017 12:33 in 281 Main St S, Woodbury, CT 06798, USA.
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