| International Wolf 2 4 :3 - 7 | Lindsay, Edition: illustrated, Published by Wiley-Blackwell, 2000, , 9780813807546, 410 pages• The introduction, increase, and demise of wolves on Coronation Island, Alaska |
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| "Canid Reproductive Biology: an Integration of Proximate Mechanisms and Ultimate Causes" | Wolves: Behaviour, Ecology and Conservation |
Montepulciano Siena : Le balze.
6| Wolves behavior, ecology and conservation | thesis, Veterinary Medical Faculty, Bern University 1984• "Rescue of a severely bottlenecked wolf Canis lupus population by a single immigrant" |
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| Hewitt, Published by , 2007,• Relative risks of predation on livestock posed by individual wolves, black bears, mountain lions and coyotes in Idaho Mark Collinge, United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, Boise, Idaho• : Noyes Publications: Noyes Publications | Northern Prairie Wildlife Research Center |
At his feet crouched two wolves or hunting hounds, Geri and Freki, animals which were therefore considered sacred to him, and of good omen if met by the way.
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