Every year, animal shelters report the same devastating trend: specific dog breeds are surrendered at rates up to 300% higher than others, almost always by first-time owners who couldn’t handle them. Veterinarians and professional trainers have identified 27 breeds that consistently overwhelm beginners with their extreme exercise needs, stubborn temperaments, or crushing medical bills. While no dog is truly “easy,” these breeds demand expertise, patience, and resources that most new owners simply don’t possess.