Gorilla vocalization has been a particular ... He seemed quite pleased with himself! His impish expression seemed to say, "Well, I put one over on you, didn't I?" Indeed he had, and I longed ...

In a battle of muscle versus stealth, who comes out on top—the mighty gorilla or the elusive jaguar? One is a powerhouse of sheer strength, capable of snapping thick branches like twigs. The other is ...