american oystercatcher, haematopus palliatus, american pied oystercatcher, pirupiru

south america atlantic ocean sea pond river lake larva nature natural oystercatcher american haematopus palliatus pied animal argentina audubon background beak beautiful beauty bird birding birdwatching black call closeup coast colorful dune earth estuary fauna feather fly habitat insect male marsh ornithology planet river mouth sand shore sing swamp travel wild wildlife zoology