The Pamphlet Collection of Sir Robert Stout: Volume 73
Diomedea melanophrys, Boie. (Mollyhawk.)
Diomedea melanophrys, Boie. (Mollyhawk.)
In the perfectly adult bird the bill is of an uniform gamboge-yellow, shaded with orange on the hook, and with a very fine line of black around the base of both mandibles; feet delicate blue-grey, darker on the joints and interdigital webs; claws white-horn colour.