Bufflehead vs Common goldeneye
The common goldeneye is heavier: 918.6 g against 397.5 g for the bufflehead, about 2.3 times the weight.

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What is the difference between a bufflehead and a common goldeneye?
Each point below is worked out from a pair of recorded values.
- The common goldeneye is heavier: 918.6 g against 397.5 g for the bufflehead, about 2.3 times the weight.
- The common goldeneye is longer-lived: 16.9 years against 14.9 years for the bufflehead, about 14% longer.
- Both belong to the genus Bucephala, so they are close relatives.
- Both are listed as Least Concern on the IUCN Red List.
Side by side
| Bufflehead | Common goldeneye | |
|---|---|---|
| Scientific name | Bucephala albeola | Bucephala clangula |
| Family | Anatidae | Anatidae |
| Order | Anseriformes | Anseriformes |
| Weight | 334.8 g – 481 g | 740.4 g – 1 kg |
| Length | Not recorded | Not recorded |
| Lifespan | 14.9 years | 16.9 years |
| Main food | Not recorded | Not recorded |
| Habitat | wetland | wetland |
| Conservation status | Least Concern | Least Concern |
| 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: BuffleheadFull record: Common goldeneyeCompare other animals