Posts Tagged: gray wolf
Efficacy and ethics of intensive predator management to save endangered caribou
November 2, 2022
Lethal population control has a history of application to wildlife management and conservation. There is debate about the efficacy of the practice, but more controversial is the ethical justification and methods of killing one species in favor of another. This … read more
Posted in Caribou, Predator/Prey Relationships, Resources | Tagged anthropogenic disturbance, compassionate conservation, conservation strategy effectiveness, ethics, gray wolf, management tool, predator management, public support, Rangifer tarandus caribou, woodland caribou
Extinguishing a Learned Response in a Free-ranging Gray Wolf (Canis lupus)
April 2, 2022
A free-ranging Gray Wolf (Canis lupus), habituated to human presence (the author) on Ellesmere Island, Canada, learned to anticipate experimental feeding by a human, became impatient, persistent, and bold and exhibited stalking behaviour toward the food source. Only after the … read more
Posted in Conflicts, Resources | Tagged arctic, Behaviour, Canis lupus, Ellesmere Island, extinguishing learned behaviour, gray wolf, learned-response, learning
Forest Carnivore Conservation and Management in the Interior Columbia Basin: Issues and Environmental Correlates
August 29, 2021
Forest carnivores in the Pacific Northwest include 11 medium to large-sized mammalian species of canids, felids, mustelids, and ursids. These carnivores have widely differing status in the region, with some harvested in regulated furbearer seasons, some taken for depredations, and … read more
Posted in Pacific West Wolves | Tagged animal damage, black bear, bobcat, carnivores, conservation, conservation biology, coyote, disturbance, fisher, forest management, fragmentation, geographic information systems, gray wolf, grizzly bear, late successional forest, lynx, management, marten, mountain lion, river otter, roads, wilderness, wolverine
Wolves make roadways safer, generating large economic returns to predator conservation
May 30, 2021
Recent studies uncover cascading ecological effects resulting from removing and reintroducing predators into a landscape, but little is known about effects on human lives and property. We quantify the effects of restoring wolf populations by evaluating their influence on deer–vehicle … read more
Posted in Benefits of Wolves | Tagged deer–vehicle collision, economic impact, gray wolf, trophic cascade, white-tailed deer
Immigration does not offset harvest mortality in groups of a cooperatively breeding carnivore
January 30, 2021
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
Posted in Hunting Wolves | Tagged Canis lupus, compensatory immigration, cooperative breeder, dispersal, gray wolf, social structure
Population responses of common ravens to reintroduced gray wolves
November 30, 2020
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
Posted in Trophic Cascade | Tagged Canis lupus, common raven, Corvus corax, gray wolf, scavenger, Yellowstone National Park
