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Audubon's Warbler

 
Audubon's Warbler

 
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Audubon's Warbler
 
 
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The Audubon's Warbler, Dendroica coronata auduboni, is a small New World warbler
New World warbler

The New World warblers or wood-warblers are a group of small often colourful passerine birds restricted to the New World. They are not related to the Old World warblers or the Australian warblers....
.

This passerine
Passerine

A passerine is a bird of the order Passeriformes, which includes more than half of all bird species. Sometimes known as perching birds or, less accurately, as songbirds, the passerines form one of the most diverse terrestrial vertebrate orders:...
 bird
Bird

Birds are wing, Bipedalismal, endothermic , vertebrate animals that lay egg . There are around 10,000 living species, making them the most numerous tetrapod vertebrates....
 was long known to be closely related to its eastern counterpart, the Myrtle Warbler
Myrtle Warbler

The Myrtle Warbler, Dendroica coronata coronata, is a small New World warbler.This passerine bird was long known to be closely related to its western counterpart, Audubon's Warbler, and at various times the two forms have been classed as separate species or grouped as Yellow-rumped Warbler, Dendroica coronata....
, and at various times the two forms have been classed as separate species or grouped as the Yellow-rumped Warbler
Yellow-rumped Warbler

Four closely related North American bird forms?the eastern Myrtle Warbler , its western counterpart, Audubon's Warbler , the Northwest Mexican Black-fronted Warbler , and the Guatemalan Goldman's Warbler ?are periodically lumped as the Yellow-rumped Warbler ....
, Dendroica coronata. The two forms probably diverged when the eastern and western populations were separated in the last ice age.

In North America
North America

North America is the northern continent of the Americas, situated in the Earth's northern hemisphere and almost totally in the western hemisphere....
, the two forms are now again officially recognized as conspecific.

Audubon's Warbler has a westerly distribution.






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The Audubon's Warbler, Dendroica coronata auduboni, is a small New World warbler
New World warbler

The New World warblers or wood-warblers are a group of small often colourful passerine birds restricted to the New World. They are not related to the Old World warblers or the Australian warblers....
.

This passerine
Passerine

A passerine is a bird of the order Passeriformes, which includes more than half of all bird species. Sometimes known as perching birds or, less accurately, as songbirds, the passerines form one of the most diverse terrestrial vertebrate orders:...
 bird
Bird

Birds are wing, Bipedalismal, endothermic , vertebrate animals that lay egg . There are around 10,000 living species, making them the most numerous tetrapod vertebrates....
 was long known to be closely related to its eastern counterpart, the Myrtle Warbler
Myrtle Warbler

The Myrtle Warbler, Dendroica coronata coronata, is a small New World warbler.This passerine bird was long known to be closely related to its western counterpart, Audubon's Warbler, and at various times the two forms have been classed as separate species or grouped as Yellow-rumped Warbler, Dendroica coronata....
, and at various times the two forms have been classed as separate species or grouped as the Yellow-rumped Warbler
Yellow-rumped Warbler

Four closely related North American bird forms?the eastern Myrtle Warbler , its western counterpart, Audubon's Warbler , the Northwest Mexican Black-fronted Warbler , and the Guatemalan Goldman's Warbler ?are periodically lumped as the Yellow-rumped Warbler ....
, Dendroica coronata. The two forms probably diverged when the eastern and western populations were separated in the last ice age.

In North America
North America

North America is the northern continent of the Americas, situated in the Earth's northern hemisphere and almost totally in the western hemisphere....
, the two forms are now again officially recognized as conspecific.

Audubon's Warbler has a westerly distribution. It breeds in much of western Canada
Canada

Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean....
, the western USA, and into Mexico
Mexico

The United Mexican States , commonly known as Mexico , is a federalism constitutionalism republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of Mexico....
. It is migratory
Bird migration

Bird migration refers to the regular seasonal journeys undertaken by many species of birds. Bird movements include those made in response to changes in food availability, habitat or weather....
, wintering from the southern parts of the breeding range into western Central America
Central America

Central America is a central geography region of the Americas. It is the southernmost, isthmus portion of the North American continent, which connects with South America on the southeast....
.

The summer male Audubon's Warbler has a slate blue back, and yellow crown, rump and flank patch. It has white tail patches, and the breast is streaked black. The female has a similar pattern, but the back is brown, as are the breast streaks.