Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
In 1949, an official boxing match between a bear and a man was held. The bear won.
41
Rex the German Shepherd was a rescue dog with a bad temper. He refused to be fed by humans and would attack strangers, but he’s a changed dog after falling in love with Geraldine the goose!
10
The octopus does not have a blind spot.
273
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