The Cormorant "P. carbo, but has a tuft of long narrow recurved plumes on each side f the crown in the…
"The Gannet (S. bassana) has slate-grey wing-quills, purplish-grey bill, reddish feet and naked parts."…
"Petrel is a popular name for certain small oceanic birds of dusky plumage, nocturnal in habit, widely…