Jaguar

The jaguar is a wild cat species and the only extant member of the genus Panthera native to the Americas. The jaguar's present range extends from Southwestern United States and Mexico in North America, across much of Central America, and south to Paraguay and northern Argentina in South America. A melanistic jaguar is a color morph which occurs at about 6 percent frequency in populations.

here's the answers to your questions

1.is jaguar the strongest cat?Jaguars have the strongest jaws of any of the cat species and can bite down with 2,000 pounds of force. ... The South American Jaguar, however, is known to bite through the skull. Some Asian Tigers are larger than large. So they may be absolutely stronger.

2.would a jaguar kill a tiger? Cougar and puma are mountain lion are same animals. ... So the finalists are tiger, lion and jaguar. Pound to pound a jaguar will kill anything that moves. They are so strong that even though they are smaller than lion and tiger they got better bite force than any other cat as well as any other mammal.