BirdAnalyst
BBS Route · California · BCR 32

Shafter Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 59 species recorded across 14 survey years, no longer active.

59Species 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 →
14Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–1989Span
3Observers

Bird Species Found on California Shafter

Top 40 of 59 species by most recent count. Each links to its species trend.

Species recorded on the Shafter 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 SwallowHirundinidae3901989+29%1973
Brewer's BlackbirdIcteridae1241989-8%1973
House SparrowPasseridae941989-48%1973
Red-winged BlackbirdIcteridae691989+100%1973
Horned LarkAlaudidae451989-57%1973
Northern PintailAnatidae391978n/an/a
Tricolored BlackbirdIcteridae371989-98%1973
House FinchFringillidae361989+118%1973
Western KingbirdTyrannidae341989+55%1973
Western MeadowlarkIcteridae231989-75%1973
KilldeerCharadriidae221989+6%1973
Loggerhead ShrikeLaniidae181989-43%1973
Mourning DoveColumbidae131989-55%1973
American CrowCorvidae121989+163%1984
Northern MockingbirdMimidae111989+144%1973
American RobinTurdidae111989+480%1973
Lark SparrowPasserellidae111989+300%1985
MallardAnatidae91989+160%1984
Brown-headed CowbirdIcteridae71989-59%1973
Great Blue HeronArdeidae71988+17%1987
Rock PigeonColumbidae51989-68%1973
European StarlingSturnidae51989-88%1973
Song SparrowPasserellidae51989-42%1978
Marsh WrenTroglodytidae51989+67%1987
Wilson's SnipeScolopacidae41986n/an/a
Ring-necked PheasantPhasianidae31989-47%1973
Burrowing OwlStrigidae31989-36%1979
Bullock's OrioleIcteridae31989-70%1973
Bell's SparrowPasserellidae31985-20%1972
Western TanagerCardinalidae31971n/an/a
American CootRallidae31989-87%1978
Red-tailed HawkAccipitridae21987-27%1973
Barn SwallowHirundinidae21989-25%1978
Common RavenCorvidae21989+113%1984
Yellow WarblerParulidae21973n/an/a
Wilson's WarblerParulidae21973n/an/a
Green HeronArdeidae21988-33%1986
Great EgretArdeidae21987n/an/a
Northern ShovelerAnatidae21988n/an/a
California QuailOdontophoridae11988-89%1973

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