Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
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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
Some older/less efficient worker termites will develop 'backpacks' of toxic chemicals that explode when the termite is threatened. They are essentially used as suicide bombers when the colony is being attacked.
8
Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
12
Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Elephants are terrified of Bees and actually have a special, distinct vocalization for “Run away the Bees are angry”
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