ClipArt ETC
"Cymochorea melaena. Black Petrel. Form of the last very nearly; bill more robust; tarsus a little longer than middle toe and claw. No white anywhere. Plumage sooty brownish-black, darkest above and on head, more smoky-brown on under parts, grayer on wing-coverts, quite black on wing- and tail-feathers; bill and feet black; iris brown." Elliot Coues, 1884

Black Petrel

"Cymochorea melaena. Black Petrel. Form of the last very nearly; bill more robust; tarsus a little longer…