Extinction is an unfortunate part of life on Earth. In a world that's constantly changing, some animals just don't have what it takes to survive. Take the dinosaurs, for example, these man-eating creatures couldn't make it through the Ice Age, and I'm glad that they didn't. Who'd want to live in a real-life Jurassic Park anyway?!
But there's some animals that I'm sure we all wish hadn't become extinct. Believe it or not, there's countless dog breeds that haven't been on the right side of Mother Nature over the years. We're going to give you the lowdown on twenty adorable - but sadly extinct - dog breeds that we wish were still around.
Can You Name Any Extinct Dog Breeds?
From the ancestors of some of the most popular dog breeds in the world to breeds you've probably never heard of, it's safe to say that there's a lot of dog breeds out there that we will never ever meet. You'll be looking into how to build a time machine once you've read through this list. Anything to get back the dogs we can no longer play fetch with...