Calaya, a western lowland gorilla, was filmed giving birth to her first offspring, a male named Moke, at the Smithsonian National Zoo in Washington, DC.<br />The arrival of Moke, which means "junior" or "little one" in the Lingala language of Africa, is the zoo's first such gorilla birth in nine years.<br />Western lowland gorillas are critically endangered with only an estimated 100,000 left.