Cats recognise the voice of their owner, but never evolved to care.
22
Dolphins have names for one another.
18
Sloths take two weeks to digest their food.
243
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The Platypus used to be considered a myth like Bigfoot and the Yeti.
18
A scorpion can hold its breath for up to 6 days.
19
Nicole Kidman is scared of butterflies.
65