Facts about Ground Squirrels

1. 08

   Many ground squirrel species live in colonial burrow systems, with interconnected tunnels that can extend several feet underground and include separate chambers for sleeping, food storage, and nesting.

   Ground SquirrelsJun 8sharebehaviorhabitatbiology
2. 07

   Rock squirrels can climb vertical rock faces and trees by using their sharp claws to grip surfaces, allowing them to access food sources and escape predators in mountainous terrain.

   Ground SquirrelsMay 14sharebehavioradaptationlocomotion
3. 06

   Twenty-three species of ground squirrels inhabit North America, ranging from the Arctic tundra to desert regions across the continent.

   Ground SquirrelsMay 14sharebiologygeographyspecies
4. 05

   Columbian ground squirrels emit high-pitched alarm calls that vary in frequency and duration depending on predator type, with specific vocalizations alerting nearby squirrels to aerial versus terrestrial threats.

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5. 04

   A ground squirrel's tail comprises approximately 40 percent of its total body length and serves as a rudder during high-speed directional changes while evading predators.

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6. 03

   Ground squirrels possess cheek pouches capable of holding seeds and nuts equivalent to 20 percent of their body weight for transport to underground burrows.

   Ground SquirrelsMay 14shareanatomybehaviorbiology
7. 02

   California ground squirrels can reach speeds of 6 miles per hour when sprinting across open terrain to escape predators.

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8. 01

   During hibernation, thirteen-lined ground squirrels lower their body temperature to 32 degrees Fahrenheit, entering a state of torpor lasting up to eight months.

   Ground SquirrelsMay 13sharebiologyhibernationthermoregulation