Wednesday, April 25, 2012

Breathe

How often do groundhogs come up for air?

Not very often -- Groundhogs are "fossorial" in that they live most of their lives underground. They dig burrows or "dens" that have several entrances. Each is connected with the main tunnel and the nesting chamber where the animal hibernates for the winter. A groundhog's whiskers help it navigate underground.

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