Lobsters have blue blood.
476
The reindeer is the only mammal that can see UV light.
17
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
An average cat has 1-8 kittens per litter and can have 2-3 litters per year. During her productive life, one female cat could have more than 100 kittens. A single pair of cats and their kittens can produce as many as 420,000 kittens in just 7 years.
10
The elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9