Male Montezuma oropendola vocalizing while displaying typical bowing behaviour

montezuma oropendola behaviour bowing vocalizing costa rica nature caribbean forest canopy omnivorous exotic central forage nicaragua mexico birding panama conversation central america forest ornithology birdwatching tropic pretty environment costa rica psarocolius montezuma icterid passerine bird rica costa montezuma bubbling oropendola tropical colorful rainforest colony wilderness tourism unusual colorful bird rostrum bill beak tropics songbird daylight colonial male