The cat brain weighs about 30g.
167
Domestic pigs average a top speed of about 11 miles per hour.
182
Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
2
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 elephant shrew’s closest relative isn’t a shrew — it’s actually an elephant
9
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5