black-throated grey warbler perched in pinyon pine tree

trees pine coniferous shade outdoors tree pinyon conifer pinyon natural lighting natural pine green habitat songbirds birding birds conservation environmental song warblers passerine passeriformes black-throated gray warbler north america setophaga nigrescens migratory bird watching male spring small wild avian nature environment fauna ornithology songbird birdwatching single branch bird wildlife springtime perched