BirdAnalyst
Species · BCR 17 · BBS 2026 Release · 1966–2025

Ruffed Grouse In Badlands and Prairies

All regionsBadlands and PrairiesGame birds

Ruffed Grouse in Badlands and Prairies has increased: up 36% on the route-weighted index since 1998.

+36%Since 1998TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
6Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
15YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Ruffed Grouse in Badlands and Prairies. See the full index history below.

Routes In Badlands and Prairies

Routes recording Ruffed Grouse in Badlands and Prairies.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
MoskeeWYOMING31980
Maynard CouleeMONTANA12025
Long DrawSOUTH-DAKOTA12014
NorbeckSOUTH-DAKOTA11998
SundanceWYOMING12024
Moskee 2WYOMING12011

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.