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| Blackpoll Warbler | ||||||||||||||
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| Dendroica striata ( Forster, 1772) |
The Blackpoll Warbler, Dendroica striata , is a New World warbler. It breeds in northern North America across Alaska, most of Canada, and into the Great Lakes region and New England.
It is migratoryLong-distance land bird migration Many species of land birds migrate very long distances, the most common pattern being for birds to breed in the temperate or arctic northern hemisphere and winter in warmer regions, often in the tropics or the southern he, wintering in South AmericaSouth America is a continent crossed by the equator, with most of its area in the Southern Hemisphere. South America is situated between the Pacific Ocean and the Atlantic Ocean. It became attached to North America only recently, geologically speaking, wi. This is a rare vagrant to western EuropeFor the band of the same name, see Europe (band . Europe is a continent forming the westermost part of the Eurasian supercontinent. Europe is bounded to the north by the Arctic Ocean, to the west by the Atlantic Ocean, to the south by the Mediterranean Se, although its northerly range and long-distance migration make it one of the more frequent transatlantic passerineMany, see text A passerine is a bird of the giant order Passeriformes . More than half of all species of bird are passerines. Sometimes known as perching birds or, less accurately, as songbirds the passerines are one of the most spectacularly successful v wanderers.
The summer male Blackpoll Warbler has a dark-streaked brown back, white face and black crown. The underparts are white, streaked black, and there are two white wing bars. The adult female is a washed-out version of the summer male, and in particular lack the strong head pattern, the crown and face being shades of gray.
Non-breeding birds have a greenish head, dark-streaked greenish upperparts and a yellowish breast, with the colour extending to the belly in young birds. The wing bars are always present.
The breeding habitat is coniferous woodland, especially spruceAbout 35; see text. Norway Spruce Picea abies cone Spruce refers to trees of the Genus Picea a genus of about 35 species of coniferous evergreen trees in the Family Pinaceae, found in the northern temperate and boreal regions of the earth. Spruces are lar, and the range extends to the taigaTaiga ( SAMPA /taIg@/, from Russian ) is a biome characterized by its coniferous forests. In Canada, the term boreal forest is used to refer to the southern part of this biome; the term taiga is used to described the more barren northern areas south of th. Blackpoll Warblers usually nest in a relatively low site in a conifer, laying 4-9 eggs in a cup nest.
These birds are insectivorous, but will take some berries in winter. They often forage high in trees, also sometimes catching insects in flight.
The song is a simple repetition of high tsi notes. The call is a thin sit.