Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
9
Only 3% of bird species have penises.
0
The Basenji dog is the only dog that is not able to bark.
4
Domestic pigs average a top speed of about 11 miles per hour.
182
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
79