Ptilonorhynchidae, commonly known as bowerbirds, are a family of birds native to Australia and New Guinea. They are renowned for their unique courtship behavior, where males construct elaborate structures called bowers to attract females. These bowers are often decorated with colorful objects, such as flowers, leaves, and even man-made items like bottle caps. There are about 20 species of bowerbirds, each with distinct building styles and decoration preferences. The most famous species, the great bowerbird, is known for its impressive bower, which can be quite large and intricately designed. Bowerbirds are also notable for their complex vocalizations and mimicry skills.