The rarest big cat in the world is the Amur leopard (panthera pardus ssp. orientalis). There are less than 30 left in the wild and the population is declining, A which means they are critically endangered.
They face various threats including habitat loss, poaching and climate change. The Amur leopard is a subspecies of leopard (panthera pardus) that includes the more familiar African leopard, which as a whole species is not as rare. At the species level, snow leopards (panthera uncia) are rarer, with an estimated 4,080-6,590 remaining.