World's Weirdest

Billions of years of evolution and more than 1 million species of animal have created very weird world and some very bizarre body parts. From sex-crazed slugs to Kung Fu crustaceans, from blood-firing lizards to zombie snails, we journey from the ocean depths to deserts and tropical rainforests to reveal that for some creatures, the truth really is stranger than fiction. We showcase some of the strangest, most shocking animal appendages on the planet, and uncover their evolutionary advantages.

A look at unusual animal body parts that have evolved in nature.

Animals participate in seemingly taboo behavior in order to survive. Included; chimpanzees trade sex for food, a garter snake group gets entangled in an orgy; a spider feasts on her mate while coupling; a penguin trades her body for stones.

Exploring the medicinal value of different animals.

Intoxication in the animal kingdom is explored. Included: elephants that get drunk; lemurs high on bugs; jaguars hunting while 'tripping' on psychedelics.

Adaptations made to protect animal offspring from their predators are explored.

Unique farms and farm techniques are featured. Included: spider goats; elephants; leeches.

Peculiar animal behaviors related to gender and sex are explored. Included: gender bending; same sex intercourse; sexless reproduction.

Strange animal behaviors and mass deaths are explored. Included: hordes of mice; beached whales; flightless birds; exploding frogs.