chestnut-backed antbird poliocrania exsul dark brown passerine bird in the antbird family, found in humid forests in central and

america antbird backed beak bill bird birding birdwatching blue branch brown central chestnut chestnutbacked cloudy colorful colour costa dark ecuador exsul eye feather female flower forest green male mountain national nature nicaragua ornithology panama park passerine perched poliocrania primeval rainforest rica south southern tropical