Kale, cabbage or citrus fruits should be offered daily. Untreated fruit tree branches such as plum or apple are good for guinea pigs to gnaw on. Physical Description Guinea pigs are not really pigs but belong to a group of rodents called cavies. They are small stocky animals with short legs and short necks. This design keeps their mouths close to the ground for eating grass.
Guinea pigs come in a variety of colors and can have from one color to five or more.
Their hair can be short and wavy to long and flowing. Adults weigh up to 3 pounds and live an average of 4-7 years. Needs Guinea pigs need physical attention every day. They must have at least several hours to themselves each day and time to sleep. Do not take them outside if it is over 80 degrees.