Ruffed Grouse (Bonasa umbellus)
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Ruffed Grouse

Bonasa umbellus (Linnaeus, 1766)

40–50 cmLength531 gWeight

The ruffed grouse (Bonasa umbellus) is a medium-sized grouse occurring in forests from the Appalachian Mountains across Canada to Alaska.

Busiest months: May · Most records: Canada, United States

Least Concern

Where and when it's recorded

Ruffed Grouse has been recorded at 203 of the 8,171 birding hotspots we track, in 2 countries and regions.

Records by month Northern Hemisphere

Where it's recorded most

  1. RNF du Cap-TourmenteCanada4,048 records
  2. RN du Marais Léon-ProvancherCanada2,845 records
  3. Beaverhill Bird ObservatoryCanada2,007 records
More places
  1. Prince Edward Point NWA – Prince Edward Point Bird ObservatoryCanada1,975 records
  2. Tatlayoko Lake Bird ObservatoryCanada1,789 records
  3. Teslin Lake – Teslin Lake Bird ObservatoryCanada1,698 records
  4. Bear BottomsUnited States1,689 records
  5. Algonquin Provincial Park – Visitor CentreCanada1,454 records
  6. Presqu'ile Provincial ParkCanada1,275 records
  7. Prince Edward Point NWACanada1,267 records

Countries and regions with the most records

CanadaUnited States

eBird records via GBIF up to 2024-12-31. A record means someone listed it; more records partly mean more birders, not more birds.

About

The ruffed grouse (Bonasa umbellus) is a medium-sized grouse occurring in forests from the Appalachian Mountains across Canada to Alaska. It is the most widely distributed game bird in North America. It is not migratory.

Excerpt from Wikipedia, CC BY-SA 4.0 · authors · Read more on Wikipedia

Questions

How big is the Ruffed Grouse?

The Ruffed Grouse is about 40–50 cm long and weighs around 531 g.

Where does the Ruffed Grouse live?

Its breeding range: North America: Alaska, Canada and northern USA. It is most often recorded in Canada and United States.

When is the best time to see the Ruffed Grouse?

At the hotspots we track, it is recorded most in May (Northern Hemisphere).

Is the Ruffed Grouse endangered?

The IUCN Red List classifies the Ruffed Grouse as Least Concern.

What does the Ruffed Grouse eat?

Main food: Land plants.

What family is the Ruffed Grouse in?

It belongs to the family Pheasants & Allies (Phasianidae), order Galliformes.

At a glance

Length
40–50 cm
Weight
531 g
Habitat
Shrubland
Diet
Land plants
Lifestyle
Varied
Migration
Resident (barely migrates)
Conservation
Least Concern
More measurements
Wing
183 mm
Tail
152 mm
Bill
25 mm
Tarsus
42 mm

Averages from the AVONET dataset; length from field guides where available.

Range

North America: Alaska, Canada and northern USA

Breeding range, IOC World Bird List 15.2

Classification

Family
Pheasants & Allies Phasianidae
Genus
Bonasa

More from the family Pheasants & Allies

Ruffed Grouse

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Free to use with credit: “Illustration: Bird Album (birdalbum.com)”. Drawn by AI from a reference photo by Mason Corden. ↗

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