A rat can fall from a five story building without injury.
44
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
Alligators can live up to 100 years.
337
A blue whale's aorta (the main blood vessel) is large enough for a human to crawl through.
52
Worker bees must visit around 4,000 flowers in order to make one tablespoon of honey.
5
The lifespan of mammals is about 1 and a half billion heartbeats.
127
A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
202