Juvenile Red-footed Booby on Laysan Island

Red-footed boobies are the smallest of all boobies. Polymorphic; few seabirds display such a variety of color phases. Their legs and feet are red. Bill is pale blue. Juveniles are wholly brown or blackish gray with black bill and facial skin. Gray legs. Immature have patchy underwings without definite pattern, white back, mottled gray-brown head, and red or brownish legs.