The use of thermal imaging to observe grizzly bears in East Yellowstone National Park

6/15/2017

During my last outing in the field in East Yellowstone this past week, I used a thermal camera to observe and document some bears during the dusk and night time hours. My thermal imaging device is good for 600 yards, and surprisingly, I was able to view bears near the roadway. Please note that the temperature scale is not reflective of inner body heat; the temp is reflective of surface temperature and is deceivingly lower for mammals that are fur bearing.

Enjoy!

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Tyler Brasington is a native born and raised Pennsylvanian, yet proud current Wisconsin resident. He graduated from the University of Wisconsin-Whitewater with a B.S. in Environmental Science. Currently, Tyler is pursuing his masters in Natural Resources with the University of Wisconsin-Stevens Point. He has worked in Yellowstone National Park under the guidance and supervision of Dr. George Clokey and Dr. Jim Halfpenny.

Tyler is a current member of the International Association for Bear Research and Management, The Wildlife Society, and Polar Bears International.

Research and academic work has focused on different aspects of grizzly bear ecology and behavior. Ongoing research: spatial ecology and identification of females with cubs, and integrated approaches to monitoring grizzlies in Yellowstone and Grand Teton National Parks. Side projects include: selected life histories of park bears, bear viewing etiquette and responses.

Currently Tyler has worked as a Park Ranger with the Bear Management Office in Grand Teton National Park (GTNP). He previously worked as a Biological Science Technician with the US Geological Survey, National Wildlife Health Center and as a Biological Science Technician (Fisheries/AIS) in GTNP, and served as a volunteer, assisting the Bear Management Office in Yellowstone National Park.

Disclaimer: The information and views expressed on this page do not necessarily represent the views of the Department of Interior, US Geological Survey, National Park Service or the United States Government.

The Greater Yellowstone Grizzly Project
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The use of thermal imaging to observe grizzly bears in East Yellowstone National Park

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