Willow ptarmigan vs Rock ptarmigan
Size and range side by side, using only figures recorded in Wikidata.
| Willow ptarmigan | Rock ptarmigan | |
|---|---|---|
| Scientific name | Lagopus lagopus | Lagopus muta |
| Mass | 720 g (male adult) 580 g (female adult) Wikidata | 665 g (male adult) 555 g (female adult) Wikidata |
| Lives in | Europe, North America | Asia, Europe, North America |
| Status | Least concern | Least concern |
Quick answers
- Which is bigger, the Willow ptarmigan or the Rock ptarmigan?
- Their recorded weights overlap, so neither is clearly heavier.
- Where do they live?
- Willow ptarmigan: Europe, North America. Rock ptarmigan: Asia, Europe, North America (continents with GBIF records).
About them
Willow ptarmigan
The willow ptarmigan ( TAR-mi-gən; Lagopus lagopus) is a bird in the grouse tribe Tetraonini of the pheasant family Phasianidae.
Rock ptarmigan
The rock ptarmigan (Lagopus muta) is a medium-sized game bird in the grouse tribe.
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.