Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Beavers have orange teeth!
23
Bats sleep 18-20 hours per day.
5
According to scientific studies, a rat's performance in a maze can be improved by playing music written by Mozart.
46
The average housefly weighs 10 to 15 millionths of a pound.
33
Spiders have transparent blood.
56
If a man could run as fast for his size as an ant can, he could run as fast as a racehorse.
108
Mosquitoes prefer children to adults, blondes to brunettes.
52