Dogs sometimes fake being sick to get attention.
26
Bats sleep 18-20 hours per day.
5
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
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
Penguins have a gland above their eye that turns saltwater into freshwater.
12
Whales and dolphins can't taste anything other than salt.
11