The first two years of a dog's life are equal to 24 human years.
25
The reindeer is the only mammal that can see UV light.
17
Sharks, like other fish, have their reproductive organs in their chests.
248
Bulls are colorblind, therefore will usually charge at a matador's waving cape no matter what color it is -- be it red or neon yellow!
45
Maggots will only eat flesh if it is dead. For this reason, they are often used to remove the burnt skin from severe burn patients.
26
Black bears are not always black. They can be brown, cinnamon, yellow, and sometimes white.
32
Rattlesnake mating sessions have been known to last more than 22 hours.
232