Arctic Ground Squirrel | Deadhorse, Alaska | June, 2011
Arctic Ground Squirrels are the champion hibernator of the Arctic. Each winter they spend from 6 to 8 months in their underground burrows, where their heartbeats slow to about 2 per minute, and their core body temperature drops as low as 27 degrees for up to 3 weeks at a time. |MC44-0012
Read More