Avipedia
Arctic Skua

Arctic Skua

Image: <a href="//commons.wikimedia.org/wiki/User:AWeith" title="User:AWeith">AWeith</a> (CC BY-SA 4.0)

NameArctic Skua
Common NameArctic Skua
Scientific NameStercorarius parasiticus
FamilyStercorariidae
Wingspan (cm)110
Length (cm)43.5
Weight (g)450
Plumage DetailsThis species exhibits polymorphic plumage, with light, intermediate, and dark morphs. The individual pictured is an intermediate morph, characterized by a dark brown cap, a distinct pale creamy-white collar, dark brown upperparts, and a white belly with some dark streaking on the flanks. The bill and legs are dark.
Vocalization / CallVocalizations include harsh, nasal calls, often described as 'kyow' or a rapid 'kya-kya-kya' series, especially when agitated or defending territory.
Primary Dietomnivore
Primary Habitatscoastal, tundra, open ocean
Conservation Statusleast-concern
Geographic RangeBreeds circumpolarly in the Arctic and subarctic regions of northern Europe, Asia, and North America. Migrates to winter in the southern Atlantic, Pacific, and Indian Oceans.
Identifying FeaturesPolymorphic plumage (light, intermediate, dark morphs), Dark cap and pale collar (in intermediate/light morphs), Pointed central tail feathers (often projecting beyond others), Agile, hawk-like flight, Kleptoparasitic behavior

Description

The Arctic Skua is a medium-sized seabird known for its agile, hawk-like flight and kleptoparasitic behavior, often chasing other birds to steal their catch. It breeds in Arctic and subarctic regions, spending winters in warmer southern oceans.

Related Bird species