BirdAnalyst
BBS Route · Oregon · BCR 10

Sparta Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 29 survey years, still active.

99Species 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 →
29Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–2025Span
6Observers

Bird Species Found on Oregon Sparta

Top 40 of 99 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
Red-winged BlackbirdIcteridae1502025+35%1973
European StarlingSturnidae1302025-34%1973
Cliff SwallowHirundinidae115202533×1975
Brewer's BlackbirdIcteridae942025-39%1973
Western MeadowlarkIcteridae692025-25%1973
American White PelicanPelecanidae531991n/an/a
Brown-headed CowbirdIcteridae492025+326%1973
Canada GooseAnatidae47200113×1983
Bank SwallowHirundinidae422001+313%1989
Song SparrowPasserellidae402025-28%1973
House SparrowPasseridae402025-43%1973
Bullock's OrioleIcteridae382025+118%1973
American RobinTurdidae342025-7%1973
Black-billed MagpieCorvidae332025-33%1973
Mourning DoveColumbidae292025-24%1973
KilldeerCharadriidae272025+3%1973
Eastern KingbirdTyrannidae222025+308%1973
Barn SwallowHirundinidae222025+54%1973
Black-headed GrosbeakCardinalidae22199912×1991
Eurasian Collared-DoveColumbidae222025n/an/a
California QuailOdontophoridae212025+211%1977
Ring-necked PheasantPhasianidae202025-16%1973
Yellow WarblerParulidae182025-57%1973
MallardAnatidae162025+74%1973
Western KingbirdTyrannidae162025+62%1973
Lazuli BuntingCardinalidae152025-13%1973
Wilson's SnipeScolopacidae122025-22%1973
Western GrebePodicipedidae122000+188%1996
ChukarPhasianidae112025+169%1973
Cinnamon TealAnatidae102001-13%1975
Western Wood-PeweeTyrannidae102025+100%1973
Common YellowthroatParulidae92025-48%1973
Rock WrenTroglodytidae92025-60%1973
Spotted SandpiperScolopacidae92025+540%1975
Common NighthawkCaprimulgidae62025-27%1973
Yellow-breasted ChatIcteriidae62025+0%1973
House FinchFringillidae62025-58%1974
Pine SiskinFringillidae51996+67%1994
American KestrelFalconidae42025+125%1973
Yellow-headed BlackbirdIcteridae42025+8%1973

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