Haliaeetus albicilla
Sea Eagle / Havsörn / White-tailed Eagle
Haliaeetus albicilla
Illustration: Haliaeetus albicilla
- Plumage: Dark brown body plumage contrasting with a noticeably paler greyish-buff head and neck; adult birds feature a pure white tail. - Beak: Exceptionally large, deep, bright yellow hooked bill with a vibrant yellow cere. - Body build: Massive raptor with broad, paddle-like wings ("flying door" silhouette), wingspan reaching 200–245 cm, and a short wedge-shaped tail. - Distinctive details: Pale yellow irises in adults, unfeathered yellow tarsi, deeply slotted primary feathers visible in soaring flight.
This species is an important part of the ecosystems in Västerbotten.
Facts & Characteristics
- Scientific Name: Haliaeetus albicilla
- Category / Order: Vögel (Aves)
- Nature, Taiga & Waters of Västerbotten: Nature, Taiga & Waters of Västerbotten
- Native to Northern Sweden: Native to Northern Sweden
Questions & Answers (FAQ)
What ecological role does the White-tailed eagle play in Scandinavian coastal and lake ecosystems?
As an apex predator and scavenger, it regulates fish and waterfowl populations and plays an essential role in nutrient cycling by consuming carrion.
How was its population affected by environmental toxins in the Baltic Sea?
Bioaccumulation of DDT and PCBs led to severe eggshell thinning and population crashes in the 1970s. However, strict bans have enabled a successful recovery.