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Domestic Dogs
Cats (Felines)
Dog Behavior

Why do dogs wag their tails when their happy?

Answer

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Wiki User
January 13, 2011 6:16PM

If you've never known , we actually wag a tail too. It is a tail in your body called a sacrum. Dogs actually have a sacrum which has extra bones attached called Caudal vertebrae also known as tail bones. You have a sacrum that wags when your happy too. It is just a part of your body that is connected to emotion like when you are sad, tears come from your eyes. Dogs don't cry but we do. Weird huh.