BirdAnalyst
BBS Route · Oregon · BCR 9

Adrian Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 21 survey years, still active.

89Species 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1984–2021Span
8Observers

Bird Species Found on Oregon Adrian

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Adrian 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
Horned LarkAlaudidae962021-18%1987
Western MeadowlarkIcteridae862021-78%1987
Black-billed MagpieCorvidae312021+30%1987
White-throated SwiftApodidae272021-78%1987
Red-winged BlackbirdIcteridae242021-74%1987
American RobinTurdidae242021-5%1987
Eurasian Collared-DoveColumbidae222021+10%2017
Rock PigeonColumbidae212021-66%1987
Ring-necked PheasantPhasianidae192021-51%1987
House SparrowPasseridae192021-37%1987
Mourning DoveColumbidae162021-69%1987
Lazuli BuntingCardinalidae142021+42%1987
Brown-headed CowbirdIcteridae132021-23%1987
Rock WrenTroglodytidae132021-30%1987
ChukarPhasianidae112021-54%1987
Long-billed CurlewScolopacidae112021+44%1989
Tree SwallowHirundinidae111993+125%1987
California QuailOdontophoridae102021+65%1987
Lark SparrowPasserellidae102021-45%1987
Common NighthawkCaprimulgidae92021+6%1987
KilldeerCharadriidae82021+200%1987
Common RavenCorvidae82021-11%1987
Western KingbirdTyrannidae72021+14%1992
Yellow WarblerParulidae72021+40%1989
Brewer's SparrowPasserellidae62021-77%1987
Violet-green SwallowHirundinidae62021-52%1988
MallardAnatidae52017+29%1987
Red-tailed HawkAccipitridae52021+44%1988
European StarlingSturnidae52021-48%1987
Bullock's OrioleIcteridae52021-10%1988
Cliff SwallowHirundinidae52021-88%1987
Barn SwallowHirundinidae52010-70%1989
Song SparrowPasserellidae52021+80%1995
Canada GooseAnatidae41984n/an/a
Northern Rough-winged SwallowHirundinidae42021+0%1987
Black-throated SparrowPasserellidae42021-50%1994
Cinnamon TealAnatidae31990+50%1984
American KestrelFalconidae32021-73%1987
Gray FlycatcherTyrannidae31989+200%1984
Brewer's BlackbirdIcteridae32021-17%1988

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