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Resources ≀ Predator/Prey Relationships

USFWS – Temporal use of the Nushagak Peninsula by wolves, Togiak National Wildlife Refuge, southwestern Alaska

We investigated the time budgets of wolves in the vicinity of the Nushagak Peninsula in order to understand their role as a population control of the Nushagak Peninsula Caribou Herd. Using a combination of conventional and GPS radio telemetry; we … read more

Beavers Are A Surprisingly Significant Food Source For Gray Wolves During The Open Water Season According To New Research Done At Voyageurs National Park

Wolves (Canis lupus) are opportunistic predators and will capitalize on available abundant food sources. However, wolf diet has primarily been examined at monthly, seasonal, or annual scales, which can obscure short-term responses to available food. We examined weekly wolf diet … read more

Wildlife CSI – Panhandle Elk Mortality Study

The Panhandle region placed 172 GPS radio-collars on 6-month old elk calves in the Coeur d’Alene and St. Joe River drainages since 2015. A couple reasons we collared so many elk was to determine survival rates and for those elk … read more

Yellowstone Science – The Challenge of Understanding Northern Yellowstone Elk Dynamics after Wolf Reintroduction

The status and trend of the northern Yellowstone elk herd has been an enduring conservation issue throughout the history of Yellowstone National Park. It is the largest of about seven migratory elk herds that graze the park’s high-elevation meadows during … read more

Studying the Winter Nutritional Status of Moose and its Relationship to Moose Survival, the Population Trend, and Climate Change in a Declining Population in Northeastern Minnesota

Winter nutritional restriction of moose and other northern ungulates may be physiologically assessed by serial collection and chemical analysis of fresh urine in snow (snow-urine). Controlled studies of captive ungulate species have demonstrated that urinary urea nitrogen:creatinine (UN:C) ratios have … read more

Killing Wolves And Farming Caribou Benefit Industry, Not Caribou: A Response To Stan Boutin

In Nature Alberta Fall 2016, we wrote an open letter to Premier Notley (Proulx et al. 2016), where we requested that the Alberta Government refrain from predator control and fencing caribou for recovering the Little Smoky caribou population. In addition, … read more

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