Black-throated green warbler
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The black-throated green warbler (Setophaga virens) is a small songbird of the New World warbler family.
Description
It has an olive-green crown, a yellow face with olive markings,<ref>Template:Cite book</ref> a thin pointed bill,<ref>Template:Cite book</ref> white wing bars, an olive-green back and pale underparts with black streaks on the flanks.Template:Cn Adult males have a black throat and upper breast; females and immature males have a pale throat and black markings on their breast.<ref>Template:Cite book</ref>
Measurements:<ref>Template:Cite web</ref>
- Length: Template:Cvt
- Weight: Template:Cvt
- Wingspan: Template:Cvt
Habitat and distribution
The breeding habitat of the black-throated green warbler is coniferous and mixed forests in eastern North America and western Canada and cypress swamps on the southern Atlantic coast, with preference for dense stands of conifers.<ref>Template:Cite journal</ref> These birds' nests are open cups, which are usually situated close to the trunk of a tree.
These birds migrate to Mexico, Central America, the West Indies and southern Florida. One destination is to the Petenes mangroves of the Yucatán. Some birds straggle as far as South America, with the southernmost couple of records coming from Ecuador.<ref name="iucn status 12 November 2021"/>
Hybridization
The black-throated green warbler has been reported to hybridize with the congeneric Townsend's warbler where their range overlaps in the Rocky Mountains.<ref>Template:Cite journal</ref>
Behavior
Black-throated green warblers forage actively in vegetation, and they sometimes hover (gleaning), or catch insects in flight (hawking). Insects are the main constituents of these birds' diets, although berries will occasionally be consumed.
The song of this bird is a buzzed Template:Not a typo or Template:Not a typo. The call is a sharp Template:Not a typo.<ref>Template:Cite web</ref>
This bird is vulnerable to nest parasitism by the brown-headed cowbird.<ref>Template:Cite journal</ref><ref>Morse, D. H. 1993. Black-throated Green Warbler (Dendroica virens). In The Birds of North America, No. 55 (A. Poole and F. Gill, eds.). Philadelphia: The Academy of Natural Sciences, Washington, DC: The American Ornithologists' Union.</ref>
References
External links
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- Black-throated green warbler - Dendroica virens - USGS Patuxent Bird Identification InfoCenter
- Black-throated green warbler species account - Cornell Lab of Ornithology
- Template:EBirdSpecies
- Template:VIREO