Proportion of calves and adult muskoxen, Ovibos moschatus killed by gray wolves, Canis lupus, in July on Ellesmere Island

Canadian Field-Naturalist
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Abstract

Generally Gray Wolves (Canis lupus L., 1758) tend to focus predation on young-of-the-year ungulates during summer, and I hypothesized that wolves preying on Muskoxen (Ovibos moschatus Zimmerman, 1780) in summer would follow that trend. Over 23 July periods observing wolves on Ellesmere Island, Nunavut, Canada, I found that packs of 2-12 adult wolves killed seven calves, one yearling, and five adult muskoxen at distances of 2.9 to 32 km from their current dens and pups. Given a possible bias against finding calves because of their fewer remains, these results do not necessarily refute the hypothesis, but they do make it clear that adult muskoxen form an important part of the wolves' diet in July and thus possibly at other times during summer.

Publication type Article
Publication Subtype Journal Article
Title Proportion of calves and adult muskoxen, Ovibos moschatus killed by gray wolves, Canis lupus, in July on Ellesmere Island
Series title Canadian Field-Naturalist
DOI 10.22621/cfn.v124i3.1083
Volume 124
Issue 3
Year Published 2010
Language English
Publisher Ottawa Field-Naturalists' Club
Contributing office(s) Northern Prairie Wildlife Research Center
Description 3 p.
First page 258
Last page 260
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