Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
There's a competition in Sweden called Kaninhoppning, or rabbit show jumping.
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The Basenji dog is the only dog that is not able to bark.
4
The colossal squid has the largest eyes in the world.
4
Condoms were originally made of animal intestines or linen.
347
There's a rare breed of pig that looks like a sheep.
14