Vịt_Labrador_Vịt_Labrador tên khoa_học Camptorhynchus labradorius là một loài chim trong họ Vịt_Tham khảo BULLET Chilton_Glen 2009 The_Curse of the Labrador_Duck_My_Obsessive Quest to the Edge of Extinction_Simon and Schuster_ISBN 1 43910247 3 BULLET Cokinos_Christopher 2000 Hope is the Thing with Feathers_New_York_Putnam các trang 281 304 ISBN 1 58542 006 9 BULLET Ducher_William 1894 The_Labrador_Duck another specimen with additional data respecting extant specimens Auk 11 4 12 PDF fulltext BULLET Forbush_Edward_Howe 1912 A History of the Game_Birds_Wild_Fowl and Shore_Birds of Massachusetts and Adjacent_States_Boston_Massachusetts State_Board of Agriculture các trang 411 416 BULLET Fuller_Errol 2001 Extinct_Birds_Comstock_Publishing ISBN 0 8014 3954 X các trang 85 87 BULLET Madge_Steve_Burn_Hilary 1988 Waterfowl_An identification guide to the ducks geese and swans of the world Boston_Houghton_Mifflin các trang 265 266 ISBN 0 395 46727 6 Liên_kết ngoài BULLET BirdLife_Species_Factsheet_BULLET The_Labrador_Duck from John_James_Audubon s Birds of America_BULLET_Environment_Canada BULLET Swans_Geese and Ducks of Canada BULLET Marine_Extinction_Database_University of East_Anglia_UK_BULLET 3D view of specimens RMNH 110 083 and RMNH 110 084 at Naturalis_Leiden requires QuickTime browser plugin
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