Bufflehead vs Ruddy duck
Size and range side by side, using only figures recorded in Wikidata.


| Bufflehead | Ruddy duck | |
|---|---|---|
| Scientific name | Bucephala albeola | Oxyura jamaicensis |
| Mass | 481 g (male adult) 367 g (female adult) Wikidata | 590 g (male adult) 499 g (female adult) Wikidata |
| Lives in | Europe, North America | Europe, North America |
| Status | Least concern | Least concern |
Quick answers
- Which is bigger, the Bufflehead or the Ruddy duck?
- The ruddy duck is heavier: Wikidata gives 499 g–590 g, against 367 g–481 g.
- Where do they live?
- Bufflehead: Europe, North America. Ruddy duck: Europe, North America (continents with GBIF records).
About them
Bufflehead
The bufflehead (Bucephala albeola) is a small sea duck of the genus Bucephala, the goldeneyes.
Ruddy duck
The ruddy duck (Oxyura jamaicensis) is a species of duck, one of six extant species of stiff-tailed duck (genus Oxyura).
Mass: Wikidata (CC0) statements without qualifiers or qualified male/female/adult (birth weights left out). Descriptions: first sentence of the English Wikipedia articles (CC BY-SA 4.0), linked from each animal page.