Originally published in Points West magazineWinter 1999 The Changing Face of the West: Alien Organisms in Greater Yellowstone (Have They Come in Peace?) By Charles R. Preston PhDSenior Scientist and Curator Emeritus, […]
Lake trout

Yellowstone Grizzly Bear and Cutthroat Trout
Soon after most Greater Yellowstone grizzly bears emerge from their winter dens, cutthroat trout begin to spawn. Today, we recognize cutthroat trout spawning in relatively shallow streams and rivers as an […]