Sheep, goats, octopuses, and toads have rectangular pupils.
7
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
16
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Sandy, an African Penguin, has been in 'love' with her keeper at the Nuremburg zoo since 1996.
34