Adults are solitary, although the home ranges of males and females overlap extensively (7). Females reach sexual maturity at two to three years and the mating season runs from early January to mid-March, when long-drawn-out wailing calls can be heard echoing amongst the cliffs (7). Litter size is usually two to three cubs, which are born with black spots (7), and become independent from their mother at over two years old (3). Most active at dawn and dusk, snow leopards are opportunistic predators capable of killing prey up to three times their own weight (3). Their prey consists mainly of wild sheep and goats, although livestock will also be taken, especially if wild prey has been depleted (3). These cats will kill an average of one large animal twice a month (6).