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
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17
The sound of a tiger's roar can travel a distance of up to 2 miles (~3 km).
255
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Cats sleep for 70% of their lives.
8
The reindeer is the only mammal that can see UV light.
17