Ducks will only lay eggs early in the morning.
36
There wasn't a single pony in the Pony Express, just horses!
57
The world's smartest pig, owned by a mathematics teacher in Madison, WI, memorized the multiplication tables up to 12.
264
It's possible to lead a cow upstairs, but not downstairs.
50
Minnows have teeth in their throat.
21
The Pistol Shrimp can snap its claws together to create a sound of 218 decibels, louder than as supersonic jet at full speed. It only lasts for 1 millisecond. The snapping action also creates a bubble that is greater than 5000 Kelvin, close to the surface temperature of the sun.
21
Roosters can't crow if they can't fully extend their necks.
28
There are more chickens than people in the world.
325