Leopardus hernandesii = Panthera onca = Western Mexican jaguar (Panthera onca hernandesii)
Date 1857
Source Proceedings of the Zoological Society of London 1857 (web)
Author Joseph Wolf (1820–1899)  
Source: https://commons.wikimedia.org/wiki/File:LeopardusHernandesiiWolf.jpg

The jaguar (Panthera onca) is a big cat which is the only extant Panthera species native to the Americas. The jaguar's present range extends from Southwestern United States and Mexico across much of Central America and south to Paraguay and northern Argentina.