All comparisons

Common Eider vs Wood Duck

How does the Common Eider compare to the Wood Duck? They are both members of the Anatidae family. Below we put their classification, habitat, diet, size, and conservation status side by side — and settle who would win in a fight.

Common Eider
Wood Duck

Side-by-side comparison

Common Eider
Wood Duck
Scientific name
Somateria mollissima
Aix sponsa
Classification
Bird
Bird
Family
Anatidae
Anatidae
Habitat
Coastal marine environments, rocky seashores, and islands in subarctic and arctic regions
Wooded swamps, marshes, streams, and forested wetlands
Diet
Carnivore
Omnivore
Conservation status
Least Concern
Least Concern
Lifespan
10-20 years
3-5 years in the wild
Weight
1.2–2.8 kg
454–862 grams

Common Eider vs Wood Duck: who would win?

Common Eider

Common Eider

1.2–2.8 kg

VS
Wood Duck

Wood Duck

454–862 grams

Common Eider wins high confidence

Common Eider is substantially heavier (1.2–2.8 kg vs 454–862 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.

Similarities

  • Both are birds.
  • Both belong to the Anatidae family.
  • Both are listed as Least Concern.

Differences

  • Habitat: Coastal marine environments, rocky seashores, and islands in subarctic and arctic regions vs Wooded swamps, marshes, streams, and forested wetlands.
  • Diet: carnivore vs omnivore.
  • Weight: 1.2–2.8 kg vs 454–862 grams.

Common Eider vs Wood Duck: FAQ

Who would win in a fight, a Common Eider or a Wood Duck?

Common Eider wins. Common Eider is substantially heavier (1.2–2.8 kg vs 454–862 grams). In a physical confrontation that size and power advantage is usually decisive. In the wild these two rarely (if ever) meet — this is a what-if based on the size and diet we have on record, not a prediction.

What is the difference between a Common Eider and a Wood Duck?

Common Eider and Wood Duck differ in several ways — habitat: coastal marine environments, rocky seashores, and islands in subarctic and arctic regions vs wooded swamps, marshes, streams, and forested wetlands. diet: carnivore vs omnivore. weight: 1.2–2.8 kg vs 454–862 grams.

Do Common Eider and Wood Duck live in the same habitat?

No — Common Eider lives in coastal marine environments, rocky seashores, and islands in subarctic and arctic regions, while Wood Duck is found in wooded swamps, marshes, streams, and forested wetlands.

What do Common Eider and Wood Duck eat?

Common Eider has a carnivore diet, while Wood Duck has a omnivore diet.

Which is more endangered, the Common Eider or the Wood Duck?

Common Eider is listed as Least Concern, while Wood Duck is listed as Least Concern.

How big are Common Eider and Wood Duck?

Common Eider weighs around 1.2–2.8 kg, while Wood Duck weighs around 454–862 grams.

Common Eider

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Common Eider

Wood Duck

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Wood Duck