"Botaurus mugitans. American Bittern. Indian Hen. Stake-driver. Bog-Bull. Plumage of the upper parts singularly freckled with brown of various shades, blackish, tawny, and whitish; neck and under parts ochrey or tawny-white, each feather marked with a brown dark-edged stripe, the throat-line white, with brown streaks. A velvety-black patch on each side of the neck above. Crown dull brown, with buff superciliary stripe. Tail brown. Quills greenish-black, with a glaucous shade, brown-tipped. Iris yellow. Bill on the ridge brownish-black, the rest pale yellowish; a dark brown loral strip. Legs dull yellowish-green; claws brown.
Elliot Coues Key to North American Birds (Boston, MA: Estes and Lauriat, 1884)
Courtesy the private collection of Roy Winkelman