Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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Cats sleep for 70% of their lives.
8
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
During World War 1, starving wolves amassed in such great numbers that Germans and Russians had a temporary cease fire to fight off the wolf attacks.
45