How do moles live underground?

Moles spend almost all of their time alone and never leave their burrows. They are very well adapted for living underground. They require less oxygen than other mammals, have poor eyesight but very sensitive noses that can feel underground. They can feel with their tails too. Their hands and feet are well adapted for digging. Chris observes seals and describes how they also have their forelimbs on the sides of their body to help them push through water, much like the way that moles push through the soil. An expert helps Chris to interpret skeletons from a seal and a mole to investigate the similarities in detail.

Release date: 17 Sep 2013

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