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Common eider · Somateria mollissima
Åland Eider
This bird has stayed within a few kilometres since 29 Aug 2025 — it may be resident, or the tag may have failed
- Distance
- 9 kmalong recorded positions
- Tracked for
- 21 days29 Aug 2025 – 19 Sept 2025
- Positions
- 148GPS fixes stored
- Latest fix
- 19 Sept 202560.03°N, 19.92°E
Where Åland Eider has been
About common eiders
A heavy, thick-set sea duck that almost never leaves salt water, the eider rides the swell in long dark lines beyond the breakers and hauls mussels off the seabed whole. Drakes are startling black-and-white with a green wash on the neck; females stay brown all year, pressed flat on a nest scrape among dune grass. The Wadden Sea is its stronghold — and the place where its decline is most visible, with Dutch breeding numbers down from about 10,000 pairs in the mid-1990s to roughly 3,500 today.
Data: Brooding Common Eider and Velvet Scoter 2025 (Movebank study 6432602888, CC 0) via Movebank. Tracking identifier Åland Eider 2025:1.