7. Newfoundland
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Newfoundlands are often called “gentle giants” because of their massive size and affectionate nature. Despite their loving personality, they are one of the strongest working dogs, originally bred for water rescue and heavy hauling. These dogs are natural swimmers, equipped with webbed feet and a thick, water-resistant coat, allowing them to pull boats and rescue drowning victims effortlessly.
Key Characteristics:
- Origin: Canada
- Weight: 100-150 pounds
- Height: 26-28 inches
- Lifespan: 9-10 years
- Notable Traits: Gentle, patient, strong swimmers, and protective.
Why They’re Strong
- Their large, muscular build allows them to pull heavy objects.
- They are strong swimmers, often used in water rescues.
- Newfoundlands have an incredible work ethic and natural endurance.