Partner Series
Are Naked Mole Rats Blind?
They live in the dark, but that doesn't mean they are blind.
Credit: Rochelle Buffenstein/City College of New York.

No. They live underground, but these hairless creatures have a keen, if limited, sense of sight.

And they don't like what they see, according to a report in the November 2006 Animal Behaviour. Light may suggest that a predator has broken into a tunnel, which could explain why subterranean diggers developed sight in the first place.

Follow Life's Little Mysteries on Twitter @llmysteries. We're also on Facebook & Google+.