Family Alcidae is a group of seabirds commonly referred to as auks, puffins, guillemots or murres. The family belongs to the order Charadriiformes and is characterized by small, stocky bodies and short, thick bills. These birds are known for their diving prowess, swimming and diving underwater to catch prey such as fish, crustaceans, and small marine invertebrates. The Family Alcidae includes over 20 different species that are found in the Northern Hemisphere, especially around the Arctic and sub-Arctic regions. With their striking plumage and unique behaviors, the birds of the Family Alcidae are a fascinating group to observe and study.