a female yellow warbler in the top of a pine tree

female yellow warbler yellow warbler pine tree bird plumage wing nature wild feather spring dendroica black new animal white beak horizontal male migrant central gray back north carolina foraging chestnut sided pensylvanica face chestnutsided galapagos subspecies tree common yellowthroat seney national wildlife refuge michigan geothlypis trichas blue petechia island wood coronata environment mangrove