WoRMS taxon details
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
de Jong, Y.; Verbeek, M.; Michelsen, V.; Bjørn, P. D. P.; Los, W.; Steeman, F.; Bailly, N.; Basire, C.; Chylarecki, P.; Stloukal, E.; Hagedorn, G.; Wetzel, F.; Glöckler, F.; Kroupa, A.; Korb, G.; Hoffmann, A.; Häuser, C.; Kohlbecker, A.; Müller, A.; Güntsch, A.; Stoev, P.; Penev, L. (2014). Fauna Europaea – all European animal species on the web. <em>Biodiversity Data Journal.</em> 2: e4034., available online at http://www.fauna-eu.org/ [details]
From other sources
Description Size: medium to large. Plumage: mainly black and white. Other details: fly with neck fully extended. Highly gregarious. [details]
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