Howling Wolf
Detailed Description
A wolf howls in this thermal image of a captive wolf at the Grizzly and Wolf Discovery Center in West Yellowstone. 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. All research animals are handled by following the specific requirements of USGS Animal Care and Use policies.
Sources/Usage
Public Domain.