Squirrels forget where they hide about half of their nuts.
698
The difference between antlers and horns is that antlers are shed each year and are made of bone while horns are kept for life and are made of living tissue and bone with a sheath that is very similar to human finger nails.
10
The elephant brain weighs about 6,000g.
274
Whales and dolphins can't taste anything other than salt.
11
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
When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
57