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BBS Route · Oregon · BCR 10

Bridgeport Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 123 species recorded across 33 survey years, still active.

123Species 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 →
33Years 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
6Observers

Bird Species Found on Oregon Bridgeport

Top 40 of 123 species by most recent count. Each links to its species trend.

Species recorded on the Bridgeport 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 BlackbirdIcteridae2212025+16%1988
Brewer's BlackbirdIcteridae1132025-32%1988
European StarlingSturnidae1042025+68%1988
Western MeadowlarkIcteridae782025-11%1988
Mourning DoveColumbidae492025+66%1988
American RobinTurdidae462025-35%1988
Yellow WarblerParulidae362025+22%1988
Wilson's SnipeScolopacidae352025-67%1988
Song SparrowPasserellidae332025+61%1989
Lazuli BuntingCardinalidae252025-20%1988
California QuailOdontophoridae242025+209%1990
Bullock's OrioleIcteridae222025-46%1988
ChukarPhasianidae192025+39%1988
Black-billed MagpieCorvidae162025-55%1988
Brown-headed CowbirdIcteridae162025-66%1988
Northern Rough-winged SwallowHirundinidae162025-37%1988
Eastern KingbirdTyrannidae152025+125%1988
MallardAnatidae142025+100%1988
Cedar WaxwingBombycillidae142025+520%2000
KilldeerCharadriidae132025-9%1988
Ring-necked PheasantPhasianidae132025-29%1988
Yellow-breasted ChatIcteriidae122025+38%1988
Canada GooseAnatidae122025-24%1992
Cliff SwallowHirundinidae11202512×1988
American KestrelFalconidae102018+75%1988
Western Wood-PeweeTyrannidae92025+350%1988
Brewer's SparrowPasserellidae92022+108%1990
Savannah SparrowPasserellidae82022-45%1988
House FinchFringillidae82025+106%1997
Turkey VultureCathartidae82022+320%1994
House SparrowPasseridae82025+22%1997
Eurasian Collared-DoveColumbidae82025+33%2017
Willow FlycatcherTyrannidae72025-33%1988
Barn SwallowHirundinidae72025-39%1988
Vaux's SwiftApodidae71999+600%1995
SoraRallidae62025+22%1989
Black-headed GrosbeakCardinalidae62025+91%1992
Mountain BluebirdTurdidae62021+300%1993
Rock PigeonColumbidae62025+40%1991
Western KingbirdTyrannidae52025-57%1988

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