a small blue bird, a rose-bellied bunting, passerina rositae, is perched on a tree branch in mexico

passerina rositae resting alone animal avian beak beautiful beauty blue bird branch capture chirping colorful conservation ecosystem endangered environment fauna feathers flora flutter flying forest habitat isolated mexico migratory nature observing ornithology outdoors perched perching plumage rose bellied bunting singing small songbird south species tree tropical watching wild wildlife wings woodland