Do macaroni penguins live in groups?

Macaroni penguins (Eudyptes chrysolophus) are highly social animals that live in large groups known as colonies. They breed and nest together in densely populated colonies, often containing thousands, or even hundreds of thousands, of penguins. These colonies provide various benefits to the penguins, including protection from predators, resource sharing, and mate attraction. Within the colony, macaroni penguins establish territories and build their nests, which are typically constructed using grasses, pebbles, and other available materials. They work collectively to maintain their nests and incubate their eggs. Macaroni penguins are known for their elaborate courtship displays and vocalizations, which play an important role in forming pairs and attracting potential mates within the colony.