Healthy Planet Stewardship

Carnivores in Retreat

In ecosystems around the world, the decline of large predators such as lions, wolves and cougars is changing the face of landscapes from the tropics to the Arctic. An analysis of 31 carnivore species shows how threats such as habitat loss, persecution by humans and reductions in prey combine to create global hotspots of carnivore decline.


Of Predators and Herds

The health of any ecosystem starts with razor-like teeth and an appetite for meat. The “apex” predators — big carnivores like bears and wolves at the top of the food web — keep things in balance, OSU researchers have found in study after study in the western United States.