Уилсон қарғасының сипаттамасы

Species of bird

Wilson's warbler (Cardellina pusilla) is a small New World warbler. It is greenish above and yellow below, with rounded wings and a long, slim tail. The male has a black crown patch; depending on the subspecies, that mark is reduced or absent in the female. It breeds across Canada and south through the western United States, and winters from Mexico south through much of Central America. It is a very rare vagrant to western Europe.

Wilson's warbler is a small passerine, ranging from in length, with a wingspan of and a mass of It has a plain green brown back and yellow underparts. The male has a small black cap. Males of the western race C. p. chryseola are greener above and brighter than males of the eastern, nominate race. Individuals from Alaska and the west central portion of the species' range average slightly larger than those found in eastern and Pacific coastal populations.

The breeding habitat is fairly open woodland with undergrowth or shrubs and thickets in moist areas with streams, ponds, bogs, and wet clearings. Wilson's warbler breeds in northern Canada and the western US; it winters in overgrown clearings and coffee plantations, Some of these insects include beetles, bees, or caterpillars. Wilson's warbler is an active forager, moving rapidly through shrubs, on the ground, and sometimes in taller trees during the winter. The observed feeding rate of the male Wilson's warbler was not significantly different between males with or without mates. It also eats a few berries.