Blind mole rats are truly blind.
Their very small eyes are completely covered by a layer of skin.
For blind mole rats digging is exclusively conducted using their powerful front teeth which are separated from the rest of the mouth by a flap of skin.
When a blind mole rat closes its mouth, it's incisors are still on the outside.
Because they are completely blind, blind mole rats have been important laboratory tests on how eyes and eye proteins function.
And don't realise how silly they look...
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