 Females have two teats, located in the chest region, and, like most armadillos, lack a true vagina, instead having a single urogenital sinus about in length.The male's penis is unusually long among mammals, being about 60% of the total body length.Pichis are found from central and southern Argentina (Patagonia), west to the Andean grasslands of Chile, and south to the Strait of Magellan.