Author Archives: Nathan Lyle

Gray wolves in the US are once again under fierce attack. After 45 years of protection under the Endangered Species Act and despite scientifically and ethically-driven protests, the USFWS delisted the gray wolf from the federal list of Endangered and … read more

When humanity confronts the risk of extinction of species, many people invoke precautions, especially in the face of uncertainty. Although precautionary approaches are value judgments, the optimal design and effect of precautions or lack thereof are scientific questions. We investigated … read more

In FY2021, Wildlife Services (WS) received $1.38M from Congress for the second year in a row to expand the use of nonlethal methods to protect livestock from large carnivore depredation and to research efficacy and development of new nonlethal approaches. … read more

Saint Paul-based National Parks of Lake Superior Foundation (the Foundation) has released a new documentary film, “Return of the Wolves: Lessons from the Wilderness,” and corresponding educational lesson plans for classrooms, distance learners, and homeschooled students. To learn more about … read more

Top predators are endangered throughout the world because of human persecution and habitat destruction. Plans to conserve and restore predator populations are often contentious, but few species are as problematic as the gray wolf (Canis lupus). In the United States, … read more

Beginning in the mid-nineteenth century, Euro-American settlers began the task of changing the landscape of California from vast expanses of wetland and forest into agricultural land. Since the arrival and eventual settlement of Spanish colonizers, ranching cattle has been a … read more