Find additional Web and print resources about animal courtship and mating.

View the production credits for NATURE's "What Males Will Do."

Bower birds build elaborate structures, called bowers, out of everything from leaves and sticks to bottle caps and clothespins.

Meet the experts behind NATURE's "What Females Want..."

Of the 4,000 or so species of mammals, only a handful of animals have ever been thought to mate for life.

Find additional resources related to animal mating and courtship.

Discover Panda breeding habits with this interactive feature.

THE NATURE OF SEX spans the globe to illustrate how an astonishing diversity of life forms find their mates and conceive, raise, and protect their offspring.

THE NATURE OF SEX spans the globe to illustrate how an astonishing diversity of life forms find their mates and conceive, raise, and protect their offspring.

THE NATURE OF SEX spans the globe to illustrate how an astonishing diversity of life forms find their mates and conceive, raise, and protect their offspring.