Jellyfish as a species are actually older than dinosaurs and sharks.
383
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Domestic pigs average a top speed of about 11 miles per hour.
182
The Basenji dog is the only dog that is not able to bark.
4
The seahorse is the only fish to have a neck.
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