BTNW

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AcronymDefinition
BTNWBlack-Throated Green Warbler (bird species)
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As a foundation species, hemlocks provide habitat for a host of other species: unique mixes of salamanders, fishes and birds, such as the black-throated green warbler and Acadian flycatcher.
There was the parula, or blue yellow-backed warbler; the black-throated green warbler and one known by the bright color of its little, bitsy haunches: the yellow-rumped warbler.
The point count data for the old regrowth forest patches also recorded three bird species that were not documented in the OBBA II regionallist: the black-throated green warbler (Dendraica virens), black-and-white warbler (Mniotilta varia), and summer tanager (Piranga rubra).
Lastly, 12 species served as indicators for Bohm Woods: Acadian Flycatcher, American Robin, Ruby-throated Hummingbird, Downy woodpecker, Wood Thrush, Hairy Woodpecker, Chimney Swift, Northern Flicker, Yellow Warbler, White-throated Sparrow, Black-throated Green Warbler, and Swainson's Thrush.
David Sibley's North American Bird Guide portrays one of the songs of the black-throated green warbler as zoooo zeee zo zo zeet.
The Black-throated Green Warbler (Parulinae: Dendroica virens), a Nearctic-Neotropical migrant landbird, breeds in coniferous forests of red (Picea rubens) and white (P.
Spatial variation in foraging of the black-throated green warbler along the shoreline of northern Lake Huron.
Forest-interior species included ovenbird (Seirus aurocapillus), bay-breasted warbler (Dendroica castanea), black-throated green warbler (Dendroica virens), Cape May warbler (Dendroica tigrina), blackburnian warbler (D.
Those species that commonly breed in cooler, more northerly, mainly coniferous forests, such as Blue-headed Vireo, Winter Wren, Magnolia Warbler, Black-throated Green Warbler, Blackburnian Warbler, Canada Warbler, Dark-eyed Junco, and Purple Finch, were found in pine plantations, mixed pine-deciduous woods, and the hemlock-deciduous forests in the gorges and ravines of the Pierson Creek and Stebbins Run watersheds.
Among species with 2 song categories, first- and second-category songs of some can be distinguished by song structure alone, including those of Black-throated Green Warblers (S.
Blue-headed Vireo, Yellow-throated, Pine and Black-throated Green warblers and Yellow-bellied Sapsucker) and western U.