App: 7.5cms long Interesting facts: - Weight: 40 - 50 kg - Size: 58 - 70 cm - Life expectancy: 7 -9 years - Colours: black, brown, white Bernese mountain dogs are confident, good natured and friendly and, therefore, not only good pets and farm dogs, but also popular family dogs. They also have a strong guard instinct without being aggressive. They are not well suited for dog sports that demand great agility and speed. It is better suited for draught work as a rescue dog or a search dog because they are very smart and obedient. These dogs need freedom of movement. They do not do well in hot weather because of their long and thick coat. They feel most comfortable in the winter when the weather is cold or freezing.