Cygnus sumnerensis chathamicus (Chatham Islands Black Swan) Jul 26, 2017 14:03:33 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Melanie on Jul 26, 2017 14:03:33 GMT Distinct subspecies from the mainland form. Described as Cygnus sp. in Extinct Birds by J. P. Hume & Michael Walthers, 2012
Cygnus sumnerensis chathamicus (Chatham Islands Black Swan) Jul 29, 2017 13:45:34 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by surroundx on Jul 29, 2017 13:45:34 GMT Tennyson, Alan J. D. and Bartle, J. A. (2008). Catalogue of type specimens of birds in the Museum of New Zealand Te Papa Tongarewa. Tuhinga 19: 185-207.