blackburnian warbler การใช้

Sharp-shinned hawks and Cooper's hawks are likely, but not confirmed, predators of adult Blackburnian warblers.
While foraging with other warbler species, they sometimes aggressively displace other species, including pine warblers and Blackburnian warblers.
Species sighted during that time include Blackburnian warbler, black-throated blue warbler, blue-winged warbler, northern parula, and yellow-rumped warbler.
Specific to the pine forests are Blackburnian warblers, hermit thrushes, eastern wood pewees, golden-crowned kinglets, brown creepers, and red-breasted nuthatches.
About 20 species of warblers breed on " the Bruce, " including the black-throated green, yellow, yellow-rumped, and Blackburnian warblers and the ubiquitous American redstart.