Jellyfish as a species are actually older than dinosaurs and sharks.
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The male seahorse carries babies and 'gives birth' to them instead of the female.
7
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
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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