10 Interesting Fact About Strange but true facts about the animal kingdom

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• Polar bears are animals that cannot sleep during winter.
• Butterflies cannot eat, they only drink nectar.
• Turtles can breathe through their buttocks.
• The smallest animal in the world is a tree hummingbird which is only 5 cm in length.
• Lizards can remove their tongues to twice the length of their bodies.
• Seals can sleep under water.
• Kiwi birds cannot fly.
• Blue whales are the largest animal in the world that is still alive.
• Crabs can change their shells 20 times in their lives.
• Cats have more than 100 different types of sounds to communicate.