Four top predators are compared, each champion in a type of environment, with key adaptations. On the ground, the cheetah outruns prey (approached in masterly stealth) and enemies. In the air, the peregrine falcon is a flight and diving machine. In sweet water, the Nile crocodile survives since the Dino age, without natural enemies, with several amazing metabolism stunts. Lurki...$美式纪录片…