Lone Wolf, Canis lupus, Displaced from a Kill by an Adult Black Bear, Ursus americanus, in Northeastern Alberta

Wolf (Canis lupus) packs are generally competitively dominant over Black Bears (Ursus americanus); however, less is known about lone Wolf-Black Bear interactions. We report an observation of a lone Wolf and an adult Black Bear at a kill made by the Wolf in northeastern Alberta. In this instance, the...

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Bibliographic Details
Published in:The Canadian Field-Naturalist
Main Authors: Fremmerlid, Mark, Latham, A. David M.
Format: Article in Journal/Newspaper
Language:English
Published: The Ottawa Field-Naturalists' Club 2009
Subjects:
Black Bear
Ursus americanus
Wolf
Canis lupus
competitive interactions
boreal forest
Alberta
Lone
Online Access:https://www.canadianfieldnaturalist.ca/index.php/cfn/article/view/977
https://doi.org/10.22621/cfn.v123i3.977
Description
Summary:Wolf (Canis lupus) packs are generally competitively dominant over Black Bears (Ursus americanus); however, less is known about lone Wolf-Black Bear interactions. We report an observation of a lone Wolf and an adult Black Bear at a kill made by the Wolf in northeastern Alberta. In this instance, the bear chased the Wolf from the kill site. Our observation supports the hypothesis that Wolf-Black Bear interactions may fit the pattern of asymmetrical interference competition when the interaction involves a lone Wolf rather than a pack.

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