Description
provided by World Register of Marine Species
Length: 81-92 cm. Colour: adult white with black flight feathers and tail; facial and gular skin blackish to dark blue-grey; bill orange to yellow-green with black at base; legs and feet grey; eye yellow; immature dark grey-brown above with a dark brown head and white collar; underside of wings white with broad dark trailing edge and dark band parallel to leading edge; bill olive to pale horn. Habitat: open ocean. Distribution: Palaeartic migrant ()
Brown, L.H., E.K. Urban & K. Newman. (1982). The Birds of Africa, Volume I. Academic Press, London.
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board
- contributor
- Lorna Depew [email]
Distribution
provided by World Register of Marine Species
circum-(sub)tropical
van der Land, J. (ed). (2008). UNESCO-IOC Register of Marine Organisms (URMO).
- license
- cc-by-4.0
- copyright
- WoRMS Editorial Board
