Life Span: 10-20 years
Collective Noun: Colony
Teethless: Like other birds, penguins do not have teeth. They instead have fleshy, backwards pointing spines on their tongue to hold slippery prey, which is swallowed whole without chewing.
Maulting: Penguins are one of the few birds in the world that moult all of their feathers simultaneously. It takes about two weeks and is very stressful. Penguins cannot enter the sea during this period as they don’t have their waterproof, insulating coat. As a result, birds do not feed and may lose up to half of their body weight during this time. They are also highly vulnerable to predators.