Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Dolphins have names for one another.
18
Jellyfish as a species are actually older than dinosaurs and sharks.
383
In the movie 'The Wizard Of Oz', Toto the dog's salary was $125 a week, while Judy Garland’s was $500 a week.
5
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
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9