An ostrich's eye is bigger than its brain.
32
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
The seahorse is the only fish to have a neck.
12
The Blue Whale's tongue weighs more than an adult elephant!
47
A blue whale's heart is the size of a Volkswagen Beetle!
37
More than 90% of shark attack victims survive.
41
A crocodile always grows new teeth to replace the old teeth!
15