作者: P. C. Paquet
DOI: 10.2307/1382067
关键词:
摘要: Allopatric distribution of wolves ( Canis lupus ) and coyotes C. latrans in some areas North America can be explained by competitive exclusion wolves. However, Riding Mountain National Park, Manitoba, the potential for competition between two species was minimized differential use nonlimiting food resources. Wolves primarily preyed on elk Cervus elaphus white-tailed deer Odocoileus virginianus ), secondarily moose Alces alces ). Coyotes rarely, young elk. Although occasionally killed coyotes, followed scavenged at their kills. The benefits accrued from scavenging apparently compensated associated risk being