Nycticorax nycticorax is a species of night heron that is widely distributed across the world. This fascinating bird is known by various synonyms in different parts of the world. In North America, it is referred to as the black-crowned night heron while in Europe it is called the night heron. Other synonyms for Nycticorax nycticorax include the Indian night heron, Japanese night heron, and Chinese night heron. The bird is also sometimes referred to as the quawk, scritch owl, and kow-kow in some regions. Regardless of its name, Nycticorax nycticorax is a remarkable bird, known for its striking black and white plumage and its unique nocturnal habits.