BirdAnalyst
BBS Route · Oregon · BCR 10

Unity Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 113 species recorded across 17 survey years, still active.

113Species 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 →
17Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2024Span
4Observers

Bird Species Found on Oregon Unity

Top 40 of 113 species by most recent count. Each links to its species trend.

Species recorded on the Unity 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 BlackbirdIcteridae362024+325%1994
American RobinTurdidae302024-5%1994
Brewer's BlackbirdIcteridae212024+7%1994
Cliff SwallowHirundinidae112023+185%1995
Western TanagerCardinalidae102024+59%1994
Violet-green SwallowHirundinidae102023-33%2003
Northern House WrenTroglodytidae82024+9%1994
Green-tailed TowheePasserellidae72024+67%1994
Mountain BluebirdTurdidae72024+43%1994
Vaux's SwiftApodidae62004+120%1995
Black-billed MagpieCorvidae62024+617%1994
Cassin's FinchFringillidae62024+73%1994
Chipping SparrowPasserellidae62024-57%1994
Tree SwallowHirundinidae62024-13%2002
Wilson's SnipeScolopacidae52024-17%1994
Red-tailed HawkAccipitridae52024-25%1994
Hammond's FlycatcherTyrannidae52024-10%1994
Song SparrowPasserellidae52024+156%1999
Ruffed GrousePhasianidae52004+67%1999
Brewer's SparrowPasserellidae42023-53%1994
Mountain ChickadeeParidae42024-72%1994
Western MeadowlarkIcteridae42023-44%1995
Vesper SparrowPasserellidae42024-10%1995
Grasshopper SparrowPasserellidae41994n/an/a
Warbling VireoVireonidae42024+150%2022
House FinchFringillidae42023+100%1998
Townsend's WarblerParulidae42024+125%2000
Prairie FalconFalconidae31992n/an/a
Steller's JayCorvidae32024-13%1994
European StarlingSturnidae32024+775%2002
Yellow WarblerParulidae32024-28%1994
Pileated WoodpeckerPicidae32023-46%1995
Brown-headed CowbirdIcteridae32024-77%1997
Lazuli BuntingCardinalidae32024+200%1998
Canada GooseAnatidae31997+200%1996
California QuailOdontophoridae32024-79%1999
Sandhill CraneGruidae31998n/an/a
Wilson's WarblerParulidae32000-25%1998
MacGillivray's WarblerParulidae32024+100%2018
Spotted SandpiperScolopacidae32024+50%2022

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.