WILSONIA

'''Wilsonia''' is a small genus of New World warblers which breed in North America. They are migratory, wintering south of their breeding ranges in Central America, the West Indies or South America.
The three species are:

★ Hooded Warbler, ''Wilsonia citrina''

★ Wilson's Warbler, ''Wilsonia pusilla''

★ Canada Warbler, ''Wilsonia canadensis''
''Wilsonia'' warblers are 12-13 cm long. They have yellow underparts and black head markings in at least the adult male plumage. Two species have plain olive green-brown back, but the Canada Warbler has grey upperparts and is also migrates much further than the other species in the genus.
The breeding habitat is broadleaved woodlands with dense undergrowth. These birds nest low in a bush or on the ground, laying 3-6 eggs in a cup nest.
''Wilsonia'' warblers feed on insects, often caught by flycatching, and they have distinctive songs and loud ''chip'' calls.
The genus ''Cardellina'' (Red-faced Warbler) is included in ''Wilsonia'' by some authors .
This genus was named to commemorate the American ornithologist Alexander Wilson.

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References

References

★ Curson, J., Quinn, D. & Beadle, D. (1994). ''New World Warblers''. Helm. ISBN 0-7136-3932-6