basis of recordvan der Land, J. (2001). Tetrapoda, <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 375-376 (look up in IMIS) [details]
additional sourceJonsson, L. (1993). Vogels van Europa, Noord-Afrika en het Midden-Oosten [Birds of Europe, northern Africa and the Middle East]. Tirion: Baarn, The Netherlands. ISBN 90-5210-187-6. 560 pp. (look up in IMIS) [details]
Present Inaccurate Introduced: alien Containing type locality