BirdAnalyst
BBS Route · Oregon · BCR 9

Bly Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 107 species recorded across 10 survey years, no longer active.

107Species 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 →
10Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1973–2001Span
3Observers

Bird Species Found on Oregon Bly

Top 40 of 107 species by most recent count. Each links to its species trend.

Species recorded on the Bly 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
Northern Rough-winged SwallowHirundinidae1291994n/an/a
Cliff SwallowHirundinidae1112001+510%1990
Red-winged BlackbirdIcteridae672001+10%1988
Brewer's BlackbirdIcteridae592001+12%1988
American RobinTurdidae352001+10%1988
MallardAnatidae332001+236%1990
European StarlingSturnidae292001+167%1988
Vesper SparrowPasserellidae202001+11%1988
Mountain ChickadeeParidae192001-37%1988
Western MeadowlarkIcteridae182001+34%1988
Chipping SparrowPasserellidae182001-19%1988
Pine SiskinFringillidae181994-5%1974
Dusky FlycatcherTyrannidae162001-64%1988
Western TanagerCardinalidae162001-19%1988
Wilson's SnipeScolopacidae122001-18%1988
Brown-headed CowbirdIcteridae122001+32%1988
Savannah SparrowPasserellidae122001+11%1988
Western Wood-PeweeTyrannidae112001-34%1988
Cassin's FinchFringillidae112001-22%1988
KilldeerCharadriidae102001-57%1988
Black TernLaridae102001+56%1994
Brewer's SparrowPasserellidae92001-63%1988
Canada GooseAnatidae82001-61%1992
Horned LarkAlaudidae82001+5%1988
Red-breasted NuthatchSittidae82001+50%1988
Common RavenCorvidae72001+375%1994
WilletScolopacidae62001-53%1988
American CrowCorvidae62001-18%1988
Tree SwallowHirundinidae62001+100%1988
Sage ThrasherMimidae62001-21%1988
GadwallAnatidae61995+200%1992
American CootRallidae62001-13%1995
Black-capped ChickadeeParidae61994n/an/a
Ring-billed GullLaridae51973n/an/a
Sandhill CraneGruidae52001+40%1990
Steller's JayCorvidae52001-48%1988
Sagebrush SparrowPasserellidae51992+150%1988
Red-naped SapsuckerPicidae51995n/an/a
Mourning DoveColumbidae42001+88%1988
Hairy WoodpeckerPicidae42001-55%1988

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