Petrel, Least bird picturesLEAST PETREL
103. Halocyptena microsoma. 5 1/2 inches.
This is the smallest of the family. Their plumage is entirely dark sooty.
Nest.-They have been found breeding on the islands of Lower California, and they probably do on others farther south.
The single egg of this bird is white with a wreath of tiny brown specks about the larger end.