BirdAnalyst
BBS Route · Oregon · BCR 9

Imnaha Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 100 species recorded across 53 survey years, still active.

100Species 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 →
53Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
4Observers

Bird Species Found on Oregon Imnaha

Top 40 of 100 species by most recent count. Each links to its species trend.

Species recorded on the Imnaha 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
American CrowCorvidae592025+746%1972
Violet-green SwallowHirundinidae482025+48%1972
Lazuli BuntingCardinalidae462025+103%1972
Song SparrowPasserellidae342025+21%1972
Yellow-breasted ChatIcteriidae232025+239%1972
Yellow WarblerParulidae152025-60%1972
Red-eyed VireoVireonidae102025-50%1972
Cedar WaxwingBombycillidae92025+33%1972
Wild TurkeyPhasianidae92024+0%2008
Mourning DoveColumbidae82025+0%1972
Black-capped ChickadeeParidae62025-39%1975
Black-billed MagpieCorvidae52025-71%1972
Warbling VireoVireonidae52025-20%1972
Golden EagleAccipitridae52023+29%1982
Red-tailed HawkAccipitridae42025+67%1973
ChukarPhasianidae42025-18%1973
Pine SiskinFringillidae41977n/an/a
Eurasian Collared-DoveColumbidae42024n/an/a
Eastern KingbirdTyrannidae32025-60%1972
Western KingbirdTyrannidae32025-48%1972
European StarlingSturnidae32025-46%1972
Bullock's OrioleIcteridae32025-74%1972
Lark SparrowPasserellidae32005-83%1972
Western TanagerCardinalidae32025-29%1975
Tree SwallowHirundinidae32025+113%1993
Ferruginous HawkAccipitridae31982n/an/a
Rock PigeonColumbidae32023-75%2012
California QuailOdontophoridae22025-17%1973
Lewis's WoodpeckerPicidae22022-86%1972
Common NighthawkCaprimulgidae22023-64%1973
Brewer's BlackbirdIcteridae22025-88%1972
Northern Rough-winged SwallowHirundinidae22025-30%1972
Rock WrenTroglodytidae22025-80%1972
Spotted SandpiperScolopacidae22024-56%1973
Prairie FalconFalconidae22025+133%1984
Rufous HummingbirdTrochilidae22025+33%1978
Cassin's VireoVireonidae21984+50%1972
Evening GrosbeakFringillidae21991-33%1972
Nashville WarblerParulidae21973n/an/a
Northern House WrenTroglodytidae22023-54%1976

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