Cats recognise the voice of their owner, but never evolved to care.
22
Dogs sometimes fake being sick to get attention.
26
Some lizards, in which the tail is a major storage organ for accumulating reserves, will return to a dropped tail after the threat has passed, and will eat it to recover part of the sacrificed supplies.
13
Bats sleep 18-20 hours per day.
5
The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
The world’s largest frog, the Goliath frog, can grow over 13 inches in length and can jump up to 10 feet in a single bound.
8