Meet Callie the 3 1/2 year old Newfoundland Dog. Newfoundlands are massive, powerful working dogs known for their calm "gentle giant" disposition and natural swimming ability. Originally bred as rescue dogs in Canada. ​Key Characteristics ​Temperament: Exceptionally patient, loyal, and sweet-natured; they are famously good with children and often called "nanny dogs." ​Size: They typically weigh between 100–150 lbs and stand roughly 26–28 inches tall. ​Care Needs: Due to their size and coat, they require regular grooming to manage shedding and drool, along with moderate daily exercise to stay healthy. ​So if you are looking for a wonderful family dog, Callie is your girl!