The seahorse is the only fish to have a neck.
12
The Basenji dog is the only dog that is not able to bark.
4
A scorpion can hold its breath for up to 6 days.
19
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
A domestic cat can sprint at about 31 miles per hour.
274
Only 3% of bird species have penises.
0
There’s a bonobo named Kanzi who has learned to build a campfire and cook his own food.
8