long-billed dowitcher flying at mudflat

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