The Basenji dog is the only dog that is not able to bark.
4
When you shave a guinea pig it looks like a little hippo.
19
The station master and operating officer at the Kishi Station, Japan, is a cat!
18
The ancestor of all domestic cats is the African Wild Cat which still exists today.
12
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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23