The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
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
Cat families usually play best in even numbers. Cats and kittens should be acquired in pairs whenever possible!
156
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10