Penguins live in colonies and eat fish, krill, and squid. They were historically hunted for their oil, which was used to make paint and fuel, but are now protected by law. Penguins store uneaten food in their cheeks and nest on shore. They are preyed on by large seabirds, leopard seals, and killer whales. The Galapagos penguin is a bird that lives in colonies on the Galapagos Islands in South America.