Oxygen flow to the gray matter
of hibernators can drop to as little as 2 percent of normal.
Not exact matches
That cold tolerance is linked to changes in a specific cold - sensing protein in the sensory nerve cells
of the ground squirrels and another
hibernator, the Syrian hamster, researchers report in the Dec. 19 Cell Reports.
But unlike winter
hibernators, these lemurs have to warm up periodically to at least 30oC, making the choice
of tree hole important.
Take the Arctic ground squirrel, an inhabitant
of the Alaskan tundra and the world's most northerly
hibernator.
Which
of the animals are true
hibernators?
A groundhog is an example
of a true
hibernator.