western sandpiper, small shorebird. tortuguero, wildlife and birdwatching in costa rica.

western sandpiper calidris mauri shorebird flock greycoloured waterside birds tortuguero costa rica bird birding birdwatching wildlife nature animal ornithology habitat fauna avian songbird feather bill wild wilderness beak central america national park water wing plumage fishing green swamp wading river grey exotic tropical perched american conservation hunting small shorebird rica grey-coloured birds