The common murre is a seabird found primarily in the northern hemisphere, particularly along the coasts of North America and Europe. It is known for its striking black and white plumage, resembling a small penguin. Common murres are excellent divers, using their wings to propel themselves underwater while hunting for fish and other marine life. These birds typically nest on steep cliffs, where they lay a single egg each breeding season. Their social behavior includes forming large colonies, which helps protect them from predators. The common murre is an important species in marine ecosystems, contributing to the balance of ocean life.