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The ethology of wolves foraging on freshwater fish in a boreal ecosystem

Through global positioning system (GPS) collar locations, remote cameras, field observations and the first wild wolf to be GPScollared with a camera collar, we describe when, where and how wolves fish in a freshwater ecosystem. From 2017 to 2021, we … read more

Review of Social and Biological Science Relevant to Wolf Management in Michigan

This document provides a review of the current state of scientific knowledge pertaining to wolves, wolf related issues, and wolf-management options in Michigan. It summarizes the best available biological and social science relevant to these topics, identifying where significant uncertainty … read more

Human-caused mortality triggers pack instability in gray wolves

Transboundary movement of wildlife results in some of the most complicated and unresolved wildlife management issues across the globe. Depending on the location and managing agency, gray wolf (Canis lupus) management in the US ranges from preservation to limited hunting … read more

Breeding displacement in gray wolves (Canis lupus): Three males usurp breeding position and pup rearing from a neighboring pack in Yellowstone National Park

Gray Wolves (Canis lupus) are territorial, group living carnivores that live in packs typically consisting of a dominant breeding pair and their offspring. Breeding tenures are relatively short and competitive, with vacancies usually occurring following a breeder’s death, and are … read more

Parasitic infection increases risk-taking in a social, intermediate host carnivore

Toxoplasma gondii is a protozoan parasite capable of infecting any warm-blooded species and can increase risk-taking in intermediate hosts. Despite extensive laboratory research on the effects of T. gondii infection on behaviour, little is understood about the effects of toxoplasmosis … read more

Group composition effects on aggressive interpack interactions of gray wolves in Yellowstone National Park

Knowledge of characteristics that promote group success during intraspecific encounters is key to understanding the adaptive advantages of sociality for many group-living species. In addition, some individuals in a group may be more likely than others to influence intergroup conflicts, … read more

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