When cats are happy, they may squeeze their eyes shut.
10
The seahorse is the only fish to have a neck.
12
An alligator can go through 2,000 to 3,000 teeth in a lifetime.
268
Queen ants have one of the longest life-spans of any known insect - typically up to 30 years. Western harvester ant queens can live up to 40 years!
2
Sheep, goats, octopuses, and toads have rectangular pupils.
7