The threats facing our flora & fauna are as great – if not greater – than they were when we lost the Great Auk after centuries of relentless human exploitation . Here is a moving account of this sad extinction . . . https://t.co/FXX9DG8Sft

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Pinguinus impennis, great auk. Plate 46 from John Gould's The Birds of Great Britain, Vol. 5 (1873) hand coloured lithograph. View the book for free via https://t.co/y8qLypIQRv

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Pinguinus impennis, great auk. Plate 341 from John James Audubon's Birds of America, original double elephant folio (1835-38), hand-coloured aquatint. Engraved, printed and coloured by R. Havell (and Son), London.

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