King eider vs Spectacled eider
The king eider is heavier: 1.62 kg against 1.56 kg for the spectacled eider, about 4% more.

Photo: ALAN SCHMIERER · CC0 · Wikimedia Commons

Photo: ALAN SCHMIERER · CC0 · Wikimedia Commons
What is the difference between a king eider and a spectacled eider?
Each point below is worked out from a pair of recorded values.
- The king eider is heavier: 1.62 kg against 1.56 kg for the spectacled eider, about 4% more.
- The king eider is longer-lived: 18.9 years against 18 years for the spectacled eider, about 5% longer.
- Both belong to the genus Somateria, so they are close relatives.
- The king eider is listed as Least Concern on the IUCN Red List; the spectacled eider is Near Threatened.
Side by side
| King eider | Spectacled eider | |
|---|---|---|
| Scientific name | Somateria spectabilis | Somateria fischeri |
| Family | Anatidae | Anatidae |
| Order | Anseriformes | Anseriformes |
| Weight | 1.62 kg – 1.71 kg | 1.37 kg – 1.6 kg |
| Length | Not recorded | Not recorded |
| Lifespan | 18.9 years | 18 years |
| Main food | Not recorded | Not recorded |
| Habitat | marine | coastal |
| Conservation status | Least Concern | Near Threatened |
| Countries recorded | Not recorded | Not recorded |
A scale drawing needs a recorded length for both animals; only weights are on record for this pair.
Full record: King eiderFull record: Spectacled eiderCompare other animals