basis of record
Brown, L.H., E.K. Urban & K. Newman. (1982). The Birds of Africa, Volume I. <em>Academic Press, London.</em> [details]
additional source
Neave, Sheffield Airey. (1939-1996). Nomenclator Zoologicus vol. 1-10 Online. <em>[Online Nomenclator Zoologicus at Checklistbank. Ubio link has gone].</em> , available online at https://www.checklistbank.org/dataset/126539/about [details]
Present Inaccurate Introduced: alien Containing type locality
Unreviewed
Description Size: large. Plumage: mainly white and brown; wings long. Other details: eyes large and directed foreword with no suborbital ridge; bill strong and sharply hooked with slit-like closable nostrils; legs and feet powerful; outer toe reversible and soles covered with sharp spicules. Feeds almost exclusively on fish. [details]
From editor or global species database