Domestic cats hate lemons or other citrus scents.
33
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
A dairy cow can produce more milk when listening to music.
446
A rodent's teeth never stop growing.
16
A hedgehog's heart beats 300 times a minute on average!
14
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
Catgut comes from sheep not cats.
11