Author Archives: Nathan Lyle

Population declines were documented in multiple ruminant species in Montana and surrounding states starting in 1995. While weather, food sources, and predation certainly contributed, the declines were often attributed, at least partly, to unexplained factors. Use of teratogenic agrichemicals, notably … read more

Large carnivores are being globally reintroduced with the goal of restoring ecological interactions. However, the extent that competitive interactions are restored within communities is often unclear. In a before–after study within Isle Royale National Park (in the US state of … read more

Fiscal Year (FY) 2023 was the fourth year Congress appropriated funding to the Wildlife Services (WS) program specifically for the implementation and further development of nonlethal methods for reducing livestock-predator conflict, and eventually beaver damage. WS refers to this appropriation … read more

Fiscal Year (FY) 2022 was the third year Congress allocated funding to the Wildlife Services (WS) program specifically for the implementation and further development of nonlethal methods for reducing certain types of human-wildlife conflict. WS refers to this allocation and … read more

Forests in the United States continue to lose biodiversity and many fail to regenerate due to high deer (family Cervidae) abundance. Declines in biodiversity and overall ecosystem health due to high deer populations increases prevalence of wildlife and human diseases … read more

The male wolf’s arrival via ice bridge in 1997 changed everything. On the heels of co-authoring a study in Science Advances, Isle Royale wolf-moose study co-leader Sarah Hoy explains how he triggered a series of knock-on events that impacted the … read more