Friends of Kootenay Blog

Access stories and photos about the natural and human history of Kootenay National Park and Columbia Valley Includes highlights about the Friends of Kootenay National Park activities and programs.


Natural Air Conditioning

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Mule Deer on a hot day - by Larry Halverson

Mule Deer’s ears act like radiators.

Their warm blood is circulated up to the ears, where it is cooled by air passing over the blood vessels, then recirculates the cooled blood back to the deer’s body, acting as a natural air conditioning system.