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Ground squirrels spend the end of summer gorging on food, preparing for hibernation. They need to store a lot of energy as fat, which becomes their primary fuel source underground in their hibernation burrows all winter long. While hibernating, ground squirrels enter a state called torpor. Their metabolism drops to as low as just … Read more
Hibernating animals find it hard to get the nitrogen they need to maintain muscles – but ground squirrels have gut microbes that can break down urea to free up the nitrogen it contains Life 27 January 2022 By Alex Wilkins Hibernating thirteen-lined ground squirrel Robert Streiffer Hibernating ground squirrels stay in shape by recycling urea, … Read more
We all need our rest, but too much lounging around can be tough on our bodies. We humans can lose up to 14% of our muscle power when confined to bed for just 10 days. Hibernating animals are a different story, however. Ground squirrels don’t waste away during Jack Frost’s tenure—they manage to build muscle … Read more