long-billed dowitcher feeding at mudflat

ages averages bill birds breeding call dark differences distinguished dowitcher edges extremely flock flocks highpitched hunchbacked keek long longbilled longerbilled look lowerpitched mediumsized mixed narrow note noticeable plump rufous salmonorange series sharp shorebird shortbilled solidly structural subtle taller tips tututu underparts upperparts voice white mudflat flat mud feeding