What type of animal does "auk" refer to?

The term "auk" refers to a type of bird, specifically a family of seabirds known for their diving abilities and often found in Northern Hemisphere waters. Auks are characterized by their black and white plumage, similar to penguins, and are adept at swimming. They primarily feed on fish and other marine life, which they catch while diving underwater.

Understanding the classification of auks as birds is important in the study of avian species and their adaptations to different environments. This insight can help in recognizing the ecological roles they play, such as being indicators of ocean health and contributors to marine food webs.