BirdAnalyst
BBS Route · Oregon · BCR 10

Sparta Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 28 survey years, still active.

95Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–2001Span
5Observers

Bird Species Found on Oregon Sparta

Top 40 of 95 species by most recent count. Each links to its species trend.

Species recorded on the Sparta 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
Cliff SwallowHirundinidae379200137×1975
Red-winged BlackbirdIcteridae1322001+53%1973
Brewer's BlackbirdIcteridae732001-59%1973
American White PelicanPelecanidae531991n/an/a
Canada GooseAnatidae47200113×1983
Bullock's OrioleIcteridae432001+116%1973
Bank SwallowHirundinidae422001+313%1989
Western MeadowlarkIcteridae402001-39%1973
American RobinTurdidae352001-12%1973
Black-billed MagpieCorvidae332001-42%1973
Black-headed GrosbeakCardinalidae22199912×1991
KilldeerCharadriidae202001+5%1973
Brown-headed CowbirdIcteridae202001+144%1973
Belted KingfisherAlcedinidae202001+667%1984
ChukarPhasianidae182000+92%1973
Barn SwallowHirundinidae172001+65%1973
MallardAnatidae162001+26%1973
Eastern KingbirdTyrannidae162001+277%1973
Wilson's SnipeScolopacidae142001-13%1973
House SparrowPasseridae142001-67%1973
Song SparrowPasserellidae132001-58%1973
Spotted SandpiperScolopacidae122001+500%1975
Western GrebePodicipedidae122000+188%1996
California QuailOdontophoridae112001+167%1977
Mourning DoveColumbidae112001-36%1973
Cinnamon TealAnatidae102001-13%1975
Yellow WarblerParulidae102001-58%1973
Yellow-breasted ChatIcteriidae82000+0%1973
Rock WrenTroglodytidae72001-60%1973
Western KingbirdTyrannidae62001+82%1973
Yellow-headed BlackbirdIcteridae61999+8%1973
Tree SwallowHirundinidae62000+125%1993
Violet-green SwallowHirundinidae52001+114%1974
Pine SiskinFringillidae51996+67%1994
Common NighthawkCaprimulgidae42001-33%1973
European StarlingSturnidae42001-75%1973
California GullLaridae32001+167%1974
Ring-necked PheasantPhasianidae32001-47%1973
Willow FlycatcherTyrannidae32001-36%1973
American GoldfinchFringillidae32000-72%1973

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