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Giraffes clean their ears with their tongues.
TRUE
Kangaroos can't walk backwards.
TRUE
Polar bears cover their black noses with a paw when they want to hide in the snow.
FALSE
Some octopuses can be poisonous.
TRUE
A bird called the Egyptian plover goes inside a crocodile's mouth to clean its teeth and then flies out safely.
TRUE
Sharks grow around 30,000 teeth in their lifetime.
TRUE
Camels don't sweat, so their humps are full of water.
FALSE
Crocodiles can't stick out their tongues.
TRUE
Rats clean themselves frequently. They even wash their faces with water.
TRUE
Hippos sweat a red-pink version of blood.
FALSE
The giant Goliath bird-eater spider can cover the head of a man.
TRUE
The mantis shrimp has a special front arm that can heat surrounding water up to 4,700°C
TRUE
