Audubon's Warbler
Overview
New World warbler
The New World warblers or wood-warblers are a group of small, often colorful, 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: with over 5,000 identified species, it has roughly...
bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...
was long known to be closely related to its eastern counterpart, the Myrtle Warbler
Myrtle Warbler
The Myrtle Warbler 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 Warblers, 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 .-Classification:Since...
, 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 a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
, the two forms are now again officially recognized as conspecific.
Audubon's Warbler has a westerly distribution.
