Whales and dolphins can't taste anything other than salt.
11
Two dogs were among the Titanic survivors.
262
Dolphins have names for one another.
18
Sharks, like other fish, have their reproductive organs in their chests.
248
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
Bats sleep 18-20 hours per day.
5