
Parasitic Jaeger
NameParasitic Jaeger
Common NameParasitic Jaeger
Scientific NameStercorarius parasiticus
FamilyStercorariidae
Wingspan (cm)117.5
Length (cm)43.5
Weight (g)475
Plumage DetailsThe light morph, as pictured, features a dark brown cap, yellowish-white cheeks and nape forming a pale collar, and white underparts. Its back and wings are dark brown, with striking white flashes visible at the base of the primary feathers. Dark and intermediate morphs also occur.
Vocalization / CallVocalizations include harsh, nasal 'kyow' or 'kya-kya-kya' calls, particularly during the breeding season or when agitated.
Primary Dietcarnivore
Primary Habitatstundra, coastal
Conservation Statusleast-concern
Geographic RangeBreeds in the circumpolar Arctic regions of North America, Europe, and Asia. Migrates extensively, spending the non-breeding season in temperate and tropical oceans worldwide, often far offshore.
Identifying FeaturesDark cap, Pale collar (light morph), Pointed central tail feathers (often projecting), White wing flashes (visible in flight), Agile, hawk-like flight
Description
A medium-sized, agile seabird known for its kleptoparasitic behavior, often chasing other birds to steal their catch. It breeds in the Arctic tundra and migrates to temperate and tropical oceans, displaying strong, graceful flight.





