The Capped Petrel — Æstrelata Hæsitata (Kuhl)
Extremely little is known of this species, which used to nest in the West Indies. It has occurred here on one occasion only.
The crown, nape, and mantle are dark brown; hind-neck and upper tail coverts white; cheeks grey; forehead and under parts white; central tail feathers brownish black; the rest, white edged with brown. Length 16 in.; wing 11·3 in.