Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
A dog's naked behind leaves absolutely no bacteria when pressed against carpet.
250
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
109
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Tigers can see 6 times better at night than humans.
305
The Basenji dog is the only dog that is not able to bark.
4