BirdAnalyst
BBS Route · Idaho · BCR 10

Grangeville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 82 species recorded across 27 survey years, still active.

82Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
27Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1986–2025Span
5Observers

Bird Species Found on Idaho Grangeville

Top 40 of 82 species by most recent count. Each links to its species trend.

Species recorded on the Grangeville route.
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 →TrendPercent 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 →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Red-winged BlackbirdIcteridae691986n/an/a
Swainson's ThrushTurdidae422025+20%1989
Western MeadowlarkIcteridae411986n/an/a
Western TanagerCardinalidae312025+193%1989
Red-breasted NuthatchSittidae252025-43%1989
Varied ThrushTurdidae192025-62%1989
Chipping SparrowPasserellidae162025+9%1990
American GoldfinchFringillidae14198714×1986
Townsend's WarblerParulidae132025-7%1989
Ruby-crowned KingletRegulidae132025-36%1990
American RobinTurdidae132025-77%1989
Golden-crowned KingletRegulidae112025-33%1989
European StarlingSturnidae101986n/an/a
Western BluebirdTurdidae91986n/an/a
Chestnut-backed ChickadeeParidae92025+171%2005
Common RavenCorvidae82025-69%1989
Juniper TitmouseParidae71987n/an/a
Vaux's SwiftApodidae62007+133%1990
Black-billed MagpieCorvidae61986n/an/a
Canada JayCorvidae62025+0%1989
Mountain ChickadeeParidae62025-18%1989
Willow FlycatcherTyrannidae51986n/an/a
Cassin's VireoVireonidae52025+150%1991
Pine SiskinFringillidae52025-55%1990
Wilson's SnipeScolopacidae41986n/an/a
Song SparrowPasserellidae41987+100%1986
Hermit ThrushTurdidae42025+44%1990
MacGillivray's WarblerParulidae42025-67%1990
Pileated WoodpeckerPicidae32025-36%1990
Red CrossbillFringillidae32025-79%1990
Dusky FlycatcherTyrannidae32010-17%1996
Red-naped SapsuckerPicidae32024-50%1991
Hammond's FlycatcherTyrannidae32024-61%1991
Olive-sided FlycatcherTyrannidae22025-43%1990
Brown-headed CowbirdIcteridae22021-33%1991
Brewer's BlackbirdIcteridae21995+0%1986
Cassin's FinchFringillidae22025-62%1990
Lazuli BuntingCardinalidae22024-50%1986
Pacific WrenTroglodytidae22025-14%1991
Black-capped ChickadeeParidae22023-73%1995

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.