The snow leopard is one of the most highly endangered of the big cats. It lives in the harsh, cold mountainous regions of Asia. One stamp in a set of four featuring endangered animals issued by Australia in 2016.
The Rumanian stamp of 2000 is one in a set featuring endangered big cats. The small blurred area on the tiny map shows the range of the snow leopard but it is much more fragmented than can be seen on a map this small. Fragmentation of habitat makes it much more difficult for these cats to mingle genetically and is thus a major factor contributing to the reduction of their number.
The tiger subspecies "altaica" is the northern subspecies that can survive harsh winters with plenty of snow. It is also known as the Siberian or Amur tiger and may be the largest of all the big cats. Due to poaching and fragmentation of habitat it is a highly endangered subspecies.