Lobsters have blue blood.
476
Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
A hummingbird weighs less than a penny.
1k
A 4-foot walrus penis bone sold at auction in 2007 for $8,000.
202
Pumbaa from "The Lion King" was the first character to fart in a Disney movie.
31
Black bears are not always black. They can be brown, cinnamon, yellow, and sometimes white.
32