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Kill rate by wolves on moose in the Yukon

Dates

Year
2000

Citation

Hayes, R. D., Baer, A. M., Wotschikowsky, U., and Harestad, A. S., 2000, Kill rate by wolves on moose in the Yukon: Canadian Journal of Zoology/Revue Canadien de Zoologie, v. 78, no. 1, p. 49-59.

Summary

We studied the kill rate by wolves (Canis lupus) after a large-scale wolf removal when populations of wolves, moose (Alces alces), and woodland caribou (Rangifer tarandus caribou) were all increasing. We followed a total of 21 wolf packs for 4 winters, measuring prey selection, kill rates, and ecological factors that could influence killing behavior. Wolf predation was found to be mainly additive on both moose and caribou populations. Kill rates by individual wolves were inversely related to pack size and unrelated to prey density or snow depth. Scavenging by ravens decreased the amount of prey biomass available for wolves to consume, especially for wolves in smaller packs. The kill rate by wolves on moose calves was not related to [...]

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  • LC MAP - Landscape Conservation Management and Analysis Portal
  • Northwest Boreal Landscape Conservation Cooperative

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