Figure 9.6 (a) An emperor penguin (Aptenodytes forsteri) and chick. The emperor is the largest living penguin, with a height of up to 115 cm (45 in). (b) The brown booby (Sula leucogaster) nests in the Caribbean and Gulf of California. It is a regular visitor to the Gulf of Mexico. (c) The gannet (Morus bassanus) is the largest seabird in the North Atlantic. It nests large colonies on offshore islands such as Bonaventure Island in Quebec, Canada, where around 50,000 birds breed every year.