A group of kittens is called a "kindle".
10
It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
217
Sheep, goats, octopuses, and toads have rectangular pupils.
7
There is a sea snail that wears a suit of iron plated armor. It is the only known animal to use iron sulphide as skeletal material.
9
Rattlesnake mating sessions have been known to last more than 22 hours.
232
Condoms were originally made of animal intestines or linen.
347
A puppy is born blind, deaf, and toothless.
16