Species vary between 2 & 4 ounces at birth, 20 & 30 pounds at maturity.
Eyesight is poor in daylight, yet night vision is excellent.
Have a well-developed smell & a keen sense of hearing.
Long canine teeth; broad head; pointed snout; short rounded ears; black eyes; long dense fur.
Colours vary from salt & pepper with some cinnamon, to albino; all have a black face mask, white-tipped ears & a tail marked with 5 to 10 alternating black & brown rings.
Feet are nimble but flat, which make them slow runners; extremely agile at climbing.
Generally live 4 years in the wild but can live up to 16 years in captivity.
Incredibly intelligent & inquisitive.