Domestic pigs average a top speed of about 11 miles per hour.
182
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
The seahorse is the only fish to have a neck.
12
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492