Chipmunks spend the autumn stockpiling food for the winter by stuffing their cheeks with nuts to take back to their dens. After collecting an impressive amount of nuts for the winter, one chipmunk must defend his stash from another.
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TRANSCRIPT
So, although chipmunks will sleep for days at a time in winter to save energy, when they wake, they need food to stay alive.
Luckily, thanks to that hard shell, nuts store pretty well.
So, they gather nuts throughout autumn and stock-pile them.
Chipmunks make hundreds of trips backwards and forwards to their pantry.
It takes a lot of time and energy.
Flexible cheek pouches make the task slightly easier - - fitting in up to seven nuts at a time.
But there is a problem - other chipmunks that want to steal your stash.
A horde must be defended even if it means fighting for it.
With the thief chased away, the precious stock-pile is safe.
It's everything a chipmunk needs to get through the winter.
