Guillemot

A guillemot is an auk, a seabird that dives underwater to catch prey. Common guillemots breed in dense colonies, often on narrow ledges of coastal cliffs.

Alcidae: Alcidae is the seabird family that includes auks such as guillemots, puffins, and murres. Guillemots belong to this family of wing-propelled diving birds.
Underwater foraging: Underwater foraging is the pursuit and capture of food beneath the water's surface. Guillemots dive to catch fish and other marine prey.
Common guillemot: The common guillemot is a North Atlantic auk that breeds in large colonies on coastal cliffs. It is the best-known species associated with the characteristic dense cliff colonies.
Seabird colony: A seabird colony is a breeding aggregation of seabirds at a shared nesting site. Guillemot colonies concentrate breeding activity and create major wildlife spectacles on cliffs.
Auk: An auk is a seabird in the family Alcidae, adapted to swimming and diving for food. The name guillemot denotes several members of this broader seabird group.
Fish: Fish are aquatic vertebrates with gills, fins, and usually scales. Small fish make up much of the common guillemot's breeding-season diet.
Black guillemot: The black guillemot is a small auk with a circumpolar distribution and mostly coastal breeding sites. It is another species bearing the guillemot name, often nesting in crevices rather than crowded ledges.
Marine food web: A marine food web is the network of feeding relationships among organisms in the ocean. Guillemots transfer marine prey into coastal breeding ecosystems and serve as predators of small fish.
Wing-propelled diving: Wing-propelled diving is underwater swimming powered by strokes of the wings. Guillemots use their wings to pursue prey below the surface.
Egg: An egg is a reproductive structure containing an embryo and nutrients enclosed by protective layers. A guillemot lays a single pear-shaped egg directly on its cliff ledge.

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