What number is Snow Leopard?

The Snow Leopard is designated as the number 2 in the context of the "big cats" in the wild cat family. However, in terms of conservation status, it is classified as "Vulnerable" on the IUCN Red List due to habitat loss and poaching. Additionally, in the context of the operating system, "Snow Leopard" refers to macOS 10.6, released by Apple in 2009.