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Engraving of a Tibetan wolf ( 1890) by J. G. Keulemans from ‘Dogs, jackals, wolves, and foxes: a monograph of the Canidae’, author St. George Jackson Mivart.
Wikimedia.
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Engraving of a Silver Fox ( 1890) by J. G. Keulemans taken from ‘Dogs, jackals, wolves, and foxes: a monograph of the Canidae’, author St. George Jackson Mivart.
Wikimedia.
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Great auk with juvenile ( around 1900) by John Gerrard Keulemans (1842–1912).
http://extinct-website.com/extinct-website/product_info.php?products_id=401
Wikimedia
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Purple-winged Roller (Coracias temminckii) by John Gerrard Keulemans
Posted on February 5, 2012 with 31 notes
Source:
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Picathartes gymnocephalus - the White-necked Rockfowl
Posted on January 31, 2012 with 49 notes
Source: biodiversitylibrary.org
