The Pachycephalidae family, consisting of 64 species including whistlers, shrikethrushes, and some pitohuis, is an ancient group of songbirds from Australasia, particularly concentrated in Australia, New Guinea, the South Pacific, and parts of Asia. These birds range in size and are typically found in forests and woodland habitats, with many occupying rainforests. Known for their robust bills and sometimes brightly colored plumage—especially in species like the golden whistler—these birds are also remarkable for their vocal abilities, producing impressive songs that stand out for their volume and complexity. Interestingly, some pitohuis possess toxic feathers, likely as a defense against predators and parasites. The family's diet is primarily insectivorous, but they also consume a variety of other small creatures. They typically forage calmly, gleaning food from leaves and branches, and are predominantly non-migratory. While they tend to be monogamous and nest in pairs, not much is generally known about their breeding habits. Historically, the taxonomy of this group has been revised, with some genera reclassified to other families, illustrating the dynamic nature of bird family classifications.