The Little Dusky Shearwater — Puffinus Assimilis, Gould
This is another species inhabiting the Salvages and islands off the west coast of Africa.
Some three or four examples have been obtained, which were originally wrongly identified as P. obscurus, an American species.
The upper parts are slaty black and under parts white. Bill and legs blackish; webs yellow. Length 10·5 in.; wing 7·4 in.