Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
26
Parrot parents "name" their children with a signature call.
112
The most expensive cow in the world was sold in 2009 for $1.2 million.
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When a male honey bee climaxes during sex, his testicles explode and then he dies.
27
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