Fieldnotes from the Greater Yellowstone Ecosystem

Draper Natural History Museum staff and volunteers conduct long-term ecological research in the Greater Yellowstone Ecosystem and keep up with all the wildlife and science news and issues related to this world-renowned, natural treasure. Keep up with Draper Museum fieldwork and Greater Yellowstone news and information here.

Greater Yellowstone Grizzly Bear and Army Cutworm Moths

army cutworm moths

As temperatures rise, cutthroat spawning wanes, grasses and other plants begin to dry, and elk calves become more capable of avoiding predation in summer months,… Read More

Yellowstone Grizzly Bear and Cutthroat Trout

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… Read More

Grizzly Bear Facts: Yellowstone Grizzly Bears Winter Hibernation Habitat

Yellowstone Grizzly

A few years ago, my wife, Penny, and I were hiking in the early December snow along Wood River, in the eastern margin of the… Read More