25 Dog Breeds That Could Be Too Dangerous for Your Home

5. New Guinea Singing Dog

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The New Guinea Singing Dog enchants listeners with eerie, harmonic songs unlike any other canine call. Nearly untouched by domestication, these agile, fox-like animals survive in remote highlands and captivity programs, serving as living windows into the earliest days of dog evolution. Their flexible joints let them climb trees, and their haunting chorus can carry for miles through dense forest.