The master weapons of the animal world when wielded precisely, teeth and claws are the best instruments for hunting, defense and combat in the animal world.

Animals that have developed amazing survival tactics are featured, including elk growing and wielding their antlers, bison utilizing stampedes, mantis shrimps exploiting deadly precision and speed, and kangaroos using their powerful legs.

These creatures share an amazing trait, the ability use the environment surrounding them to hide in plain sight, to virtually disappear and be utterly camouflaged.

Deadly animals armed with venom are shown hunting in the wild, including a funnel-web spider that latches onto its prey to unleash surprising amounts of venom through repeated bites, and a blue-ringed octopus that blends into the sea floor.

Walruses rely on its spit to help them eat; cobras violently release a stream of venomous saliva towards a predator's eyes to blind it; jawfish use spitting as a means of defense and to build its home; bees use their stingers to protect its colony.

Featuring animals that use special odors or secretions to deter predators, the ocean cuttlefish uses a quick blast of ink to confuse and evade predators and the skunk has become infamous for its pungent spray that is uses when threatened.