The crested rock-hopper penguin is a unique and distinctive species of penguin found in sub-Antarctic islands. Also known as Eudyptes chrysocome, this bird has a crest of yellow and black feathers on its head and distinctive bright red eyes. In terms of synonyms, this penguin is sometimes referred to as the crested penguin, rock-hopper, or stone-jumping penguin. It is also occasionally called the macaroni penguin due to its similar appearance to the macaroni bird species - with its bright yellow crested feathers and large bill. However, the crested rock-hopper penguin is a separate and unique species with its own distinct features and behaviors.