With water dogs, how often do you see them? I have never seen one fetch a bird up the water or even watch it land. They have an almost bottomless store of energy and are not overly friendly with humans. They are bred to run, swim, retrieve and bring in the goodies. They have been bred to hurt and to kill. They have been bred to eat corned raw and have actually been used to make jerky. Yes, I said raw. Our dog's ancestors were hunters and they have been bred to fetch . Oh yes, and they have been bred to eat corned fish. Some of the common faults found in this breed are epilepsy, hip dysplasia, bloat, and cancer. They average in height to the shoulders. Their double coat makes them heavy shedders. A plus to their Character is that they are not barkers like ahound. They are more of a slower dog. They do like to play and seem to have a fine bone. The Chesapeake Bay Retriever is a sweetheart. They are gentle, loving, loyal, obedient and very happy. They are also safe. They have a stronger than average odor but it is not offensive to humans. They are a medium to large dog with a broad chest, short broad skull, and a black or brown powder-colored coat. They weight 55 to 80 pounds and can grow to 25 inches to the withers. They are slow to mature. They are a little prissy when they are young. They are a little slow to housebreak. Do not allow them to jump up on the furniture. They are average to high energy. They do best with three small meals a day. They can have mild to severe health problems. They include: juvenile cataracts, heart disease, allergies, skin and ear problems, joint disorders, entropion, Willebrands disease, jaw and shoulder dysplasia, pannus, and cancer.