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
It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
492
The largest breed of rabbit is the Flemish Giant.
65
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
Denmark has twice as many pigs as there are people.
66