Dogs have been man's pet for over 14,000 years.
224
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
A lion in the wild usually makes no more than twenty kills a year.
186
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