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Cavies have amazing hearing, from 54 Hz to the ultrasonic range of 50,000 Hz -- almost twice the hearing range of humans!

A cavy can use up to 20 different types of vocalizations to communicate its moods.

Cavies have an acutely sensitive sense of smell and use it to identify and communicate with each other and their humans.. Not to mention for sniffing out food!

An adult cavy has 20 permanent teeth, which grow continually throughout its life. Cavies grind their food in a front to back motion -- as opposed to rabbits, who grind with a side to side motion.

A cavy's eyesight is not as good as a human's eyesight, but a cavy has a greater field of vision: 340 degrees. Cavies can also distinguish primary colors such as blue, green, red and yellow.

Cavies have sensory hairs around their nose and mouth. These "whiskers" help them determine whether or not their bodies can fit through tight spaces.

Cavies are strictly herbivorous (plant eaters). No meat or dairy necessary. They cannot make their own Vitamin C, so they must get this from their diet: Fortified cavy pellets, fresh veggies, and/or a Vitamin C supplement for cavies.

Cavies are very social animals. As the saying goes: An only piggie is a lonely piggie. If you are considering getting a cavy as a pet, consider getting two of the same sex, like Lila and Adhya.

Cavies live 5-7 years on average. According to the Guiness Book of Records, the oldest-ever cavy, "Snowball," lived 14 years, 10.5 months!