Rattlesnake mating sessions have been known to last more than 22 hours.
232
The most expensive cow in the world was sold in 2009 for $1.2 million.
-3
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
When you shave a guinea pig it looks like a little hippo.
19
Jellyfish as a species are actually older than dinosaurs and sharks.
383
Alligators can live up to 100 years.
337