Guillemot (Common)
NameGuillemot (Common)
Common NameCommon Murre
Scientific NameUria aalge
FamilyAlcidae
Wingspan (cm)67
Length (cm)42
Weight (g)950
Plumage DetailsAdults have dark brown to black upperparts, head, and neck, contrasting sharply with a white belly and flanks. In winter, the throat and cheeks become white, often with a dark line extending behind the eye. Some individuals exhibit a distinctive white 'bridle' around the eye.
Vocalization / CallVocalizations are typically guttural growls, grunts, and rumbles, particularly at breeding colonies. They produce a characteristic 'arrr' or 'karrr' sound.
Primary Dietpiscivore
Primary Habitatscoastal cliffs, rocky islands, open ocean, temperate waters
Conservation Statusleast-concern
Geographic RangeBreeds in the North Atlantic and North Pacific oceans, including coasts of North America, Europe, and Asia. Winters largely within its breeding range but may disperse to more southerly waters.
Identifying FeaturesBlack/dark brown upperparts and white underparts, Long, pointed bill, Upright posture on land, Forms dense breeding colonies on cliff ledges, Distinctive 'bridled' morph (white eye-ring and line) in some individuals, Excellent diver and swimmer, using wings for underwater propulsion
Description
The Common Murre is a large, sleek seabird adapted for diving, spending most of its life at sea and coming ashore only to breed. They are highly social, forming dense colonies on cliff ledges during the breeding season. This species is known for its torpedo-shaped body and powerful underwater flight.
