Question: What year was the Sunda clouded leopard classified as a separate species than its mainland relative, the clouded leopard?
Sentence (from "Neofelis"): Neofelis is a genus comprising two extant felid species from Southeast Asia: the clouded leopard ("Neofelis nebulosa") of mainland Asia, and the Sunda clouded leopard ("Neofelis diardi") of Sumatra and Borneo.
Relevant evidence: Yes