chestnut-capped brushfinch, arremon brunneinucha, grey brown bird in the nature habitat. treerunner on the tree branch, san

america american animal avian beak beauty biology bird birding branch brazil brazilian color conservation costa dark ecology environment fauna feather flycatcher forest free freedom great grove natural nature ornithology passerine perched pitangus rica south sulphuratus sustainability tree tropical tropics tyrannidae tyrant wild wildlife wing world yellow zoo zoology