black-throated blue warbler ( setophaga caerulescens)

bird animal beak branch wildlife nature wing twig black-throated blue warbler setophaga caerulescens closeup female perching spring migration ontario canada canada colors pale eyebrow wingpatch brownish olive upperparts plumage songbird outdoors details feathers beak bill wings tail close portrait fauna wild avian bokeh background deciduous forests breeding plumage Dendroica songbird ornithology birding birdwatching gray