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.
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There's a rare breed of pig that looks like a sheep.
14
Cats recognise the voice of their owner, but never evolved to care.
22
On some poorly researched trivia lists it is stated as a fact that a pregnant goldfish is called a twit. This is not true as goldfish lay eggs.
71
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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