How does a shark find fish? It can hear their hearts beating.
31
Most tropical marine fish could survive in a tank filled with human blood.
54
Rats multiply so quickly that in 18 months, two rats could have over a million descendants.
33
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
A cat can jump FIVE TIMES as high as it is tall!
371
Bats sleep 18-20 hours per day.
5
A hippo can open its mouth wide enough to fit a 4 foot tall child inside!
23
Eagles mate while airborne.
44