Calyptorhynchus is a genus of large, striking black cockatoos native to Australia. These birds are known for their impressive size, long tails, and distinctive crests. They primarily inhabit forests and woodlands, where they feed on seeds, nuts, and fruits. There are several species within the Calyptorhynchus genus, including the Glossy Black Cockatoo and the Red-tailed Black Cockatoo. These cockatoos are recognized for their loud calls and social behavior, often seen in pairs or small groups. Conservation efforts are important for their survival, as some species face habitat loss and other threats.