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Posts Tagged: Canis lupus

The Practices of Wolf Persecution, Protection, and Restoration in Canada and the United States

Wolf management can be controversial, reflecting a wide range of public attitudes. We analyzed wolf management case histories representing a spectrum of approaches in Canada and the United States. During the early 20th century, wolves were considered undesirable. They were … read more

Quantifying the effects of delisting wolves after the first state began lethal management

Predators and their protection are controversial worldwide. Gray wolves, Canis lupus, lost U.S. federal protection (delisting) and the State of Wisconsin began lethal management first among all states and tribes that regained authority over wolves. Here we evaluated the initial … read more

Influence of body mass and environmental conditions on winter mortality risk of a northern ungulate: Evidence for a late-winter survival bottleneck

Identifying limiting factors for animals with seasonally dynamic life histories sometimes requires understanding intra-annual periods of resource scarcity (e.g., Ashmole, 1963). For ungulates living in northern environments, winter is generally a period of negative energy budget when forage provides some … read more

Immigration does not offset harvest mortality in groups of a cooperatively breeding carnivore

The effects of harvest on cooperatively breeding species are often more complex than simply subtracting the number of animals that died from the group count. Changes in demographic rates, particularly dispersal, could offset some effects of harvest mortality in groups … read more

How do YouTube videos impact tolerance of wolves?

The internet serves as a dominant source of information and may shape tolerance of wildlife species. Our experimental study examined how respondents’ tolerance for wolves (i.e., attitudes, acceptance, and behavior) changed after viewing wolf related YouTube videos. Respondents were randomly … read more

Population responses of common ravens to reintroduced gray wolves

Top predators have cascading effects throughout the food web, but their impacts on scavenger abundance are largely unknown. Gray wolves (Canis lupus) provide carrion to a suite of scavenger species, including the common raven (Corvus corax). Ravens are wide‐ranging and … read more

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