The book that made American bird-watching possible in the field: keys, plumages, songs and habits for every species of the East, by the man who ran ornithology at the American Museum.
The Clapper Rail may always be known from the King Rail CLAPPER RAIL.
RAILS, GALLINULES, AND COOTS. by its generally grayish instead of brownish or blackish upper parts, by its much paler breast and flanks and paler wing-coverts.