Great Skua
Image: miguelberkemeier (cc-by-nc)
NameGreat Skua
Common NameGreat Skua
Scientific NameStercorarius skua
FamilyStercorariidae
Wingspan (cm)132.5
Length (cm)54
Weight (g)1450
Plumage DetailsAdults display a uniformly dark brown plumage, often appearing streaky, particularly on the head and underparts. A distinctive white flash is visible at the base of the primary feathers on the underwing, which is a key identification mark during flight. Juveniles are similar but generally darker and less streaky.
Vocalization / CallVocalizations include harsh, guttural 'skua' calls, typically uttered when agitated or defending territory. They also produce a series of rapid, cackling notes, especially during breeding displays.
Primary Dietomnivore
Primary Habitatsopen ocean, coastal areas, tundra, moorland
Conservation Statusleast-concern
Geographic RangeBreeds primarily on islands in the North Atlantic, including Iceland, the Faroe Islands, Shetland Islands, Orkney Islands, and parts of Scotland and Norway. It winters widely across the North Atlantic, often reaching waters off North America, Europe, and Africa.
Identifying FeaturesLarge, robust build, Uniform dark brown plumage, Prominent white flash on underwing primaries (visible in flight), Powerful, direct flight, Aggressive behavior
Description
The Great Skua is a large, powerful seabird characterized by its robust build and aggressive nature. It is an opportunistic predator and kleptoparasite, frequently harassing other seabirds to steal their food. This species spends most of its life at sea, returning to land primarily for breeding.
