famÂ·iÂ·ly pracÂ·tice. A specialty of medicine in which the physician takes responsibility for the health and medical care of all members of a family group, regardless of age or gender, but usually does limited amounts of obstetrics and surgery.
Description & Fascinating Facts. The Harbor porpoise, Phocoena phocoena, (a.k.a. Common porpoise), is a small cetacean with a rotund, stocky body that tapers toward the tailstock. This porpoise reaches a maximum length of 1.9m (6ft) and maximum weight of 90kg (198lbs). On average, Harbor porpoises are smaller, and do not exceed 1.5m (5ft) or weigh more than 60kg (132lbs).
New World porcupines (family Erethizontidae) 1  The North American porcupine (Erethizon dorsatum) is the largest species in the family, usually weighing less than 7 kg (15.4 pounds) though males occasionally grow significantly larger. Its body is up to 80 cm (31 inches) long, with a tail up to 30 cm.