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Wolves in a Different Light

This is a thermal photograph of a two wolves in the Grizzly and Wolf Discovery Center.  Brighter areas represent higher temperatures on the wolves’ bodies. USGS scientists are examining thermal imagery of wolves as one step in assessing impacts of sarcoptic mange on the survival, reproduction and social behavior of this species in Yellowstone National Park. Full Story

Tracking Grizzlies

Grizzly bear mother and cub in Yellowstone. Rural areas with human development can lessen grizzly bear survival in the Greater Yellowstone Ecosystem, and innovative bear rub surveys can successfully monitor grizzly population dynamics in the Northern Continental Divide Ecosystem, according to two new USGS studies by scientists Chuck Schwartz and Kate Kendall. l Full Story l Podcast

Elk Brucellosis Increases

Elk feedlot in Wyoming. USGS disease ecologist Paul Cross coauthors a study which suggests brucellosis may be increasing in elk populations in the Greater Yellowstone Ecosystem. Full Story.