Author Archives: Nathan Lyle

The criteria used to assess recovery under the US Endangered Species Act (ESA) often fall short when considering social, group-living species. To illustrate this, we use recent insights on sociality in gray wolves to highlight how such definitional failures in … read more

In the United States, the general public typically disapproves of trophy hunting. Given the global ubiquity of the practice, its potential to benefit conservation when properly managed, and the substantial role played by American hunter-tourists, changing these attitudes can help … read more

How people feel about large carnivores can be critical in determining the success of conservation efforts. In some cases, people’s attitudes towards large carnivores are more influenced by policies dictating how people can interact with those species rather than the … read more

Direct human-caused mortality accounts for about half of all large mammal mortality in North America. For social species like gray wolves (Canis lupus), the death of pack members can disrupt pack structure and cause pack dissolution, and mortality of breeding … read more

The purpose of this study was to document the prevalence and severity of osteoarthritis and how it varied with age and among sexes in a wild population of moose. We also assessed whether the prevalence and severity of osteoarthritis was … read more

Species distribution models can facilitate conservation planning and action but presume species-environment relationships are stable, which is not the case for invasive or recolonizing species only partially occupying their potential distributions. This complicates our understanding of colonization and recolonization processes … read more