Ochotona (Pika) collaris
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Wilson, Don E. & Reeder, DeeAnn, 2005, Order Lagomorpha, Mammal Species of the World: a Taxonomic and Geographic Reference (3 rd Edition), Volume 1, Baltimore: The Johns Hopkins University Press, pp. 185-211
: 186
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186 |
Ochotona collaris
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Robert S. Hoffmann, 1993, Order Lagomorpha, Mammal Species of the World (2 nd Edition), Washington and London: Smithsonian Institution Press, pp. 807-827
: 808
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808 |
Ochotona collaris
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James H. Honacki, Kenneth E. Kinman & James W. Koeppl, 1982, Order Lagomorpha, Mammal Species of the World (1 st Edition), Lawrence, Kansas, USA: Alien Press, Inc. & The Association of Systematics Collections, pp. 595-604
: 595
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595 |
Ochotona collaris
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Don E. Wilson, Thomas E. Lacher, Jr & Russell A. Mittermeier, 2016, Ochotonidae, Handbook of the Mammals of the World – Volume 6 Lagomorphs and Rodents I, Barcelona: Lynx Edicions, pp. 28-43
: 39
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39 |