an adult yellow-rumped warbler audubon`s subspecies setophaga auduboni auduboni during migration in

adaptation adult animal audubon auduboni avian biology bird birding birds birdwatching carbon change climate closeup colorado conservation conservatism distribution ecology emissions environment extinction gases global greenhouse habitat hunting indicator insects microevolution migration migratory modeling natural nature niche ornithology outside perched richness science setophaga species subspecies temperatures threatened tree warbler warmdwelling warming wild wildlife yellowrumped