Local ranchers often view jaguars as threats. Researchers make stunning discovery in recent tests of Brazilian big cat's ...

Wolves can travel hundreds of miles, with territory size thought to be a function of prey density; jaguars likely have similar dynamics. In the arid Southwest, a 10-year resident jaguar appeared to ...

Without hesitation the jaguar pounced, overcoming its monstrously large prey in minutes. The yacaré caiman and jaguar are both top predators in the Pantanal Wetlands, and struggles like this are not ...