When someone asks, "what kind of dog is that", and you say, "I have no idea", this day was made for you and your cute mutt.

Happy National Mutt Day, a day we celebrate our companions with mysterious origins. Take a look at all these adorable mutts and see if you can identify the breeds.

Thank you to everyone who took the time to share their mutt. If you don't have a mutt of your own, get out and adopt one from our friends at Noah's Ark Animal Sanctuary.

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