BirdAnalyst
BBS Route · California · BCR 32

Sawmill Mtn Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 21 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 →
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 →
1970–2022Span
6Observers

Bird Species Found on California Sawmill Mtn

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

Species recorded on the Sawmill Mtn 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
Mourning DoveColumbidae242022-32%1972
Ash-throated FlycatcherTyrannidae212022-26%1972
Spotted TowheePasserellidae202022-9%1972
California TowheePasserellidae172022-20%1972
Common RavenCorvidae132022+213%1972
California Scrub-JayCorvidae122022-53%1972
European StarlingSturnidae102022-60%1972
Western Wood-PeweeTyrannidae92022+122%1972
Black-headed GrosbeakCardinalidae92022-49%1972
BushtitAegithalidae92014+123%1980
Acorn WoodpeckerPicidae92022+6%1973
Eurasian Collared-DoveColumbidae92014n/an/a
PhainopeplaPtiliogonatidae82014+575%1976
Mountain ChickadeeParidae82013+343%1975
California QuailOdontophoridae72022-19%1972
White-throated SwiftApodidae72022+27%1972
American RobinTurdidae72014+175%1991
Yellow WarblerParulidae62022+243%1972
Northern House WrenTroglodytidae62022-22%1972
American CrowCorvidae52022+200%1991
Song SparrowPasserellidae52014-21%1972
Western BluebirdTurdidae52022-39%1972
Anna's HummingbirdTrochilidae52013+33%1973
Nuttall's WoodpeckerPicidae42022+550%1972
Western MeadowlarkIcteridae41981-33%1970
Black-chinned SparrowPasserellidae42022-86%1972
Bewick's WrenTroglodytidae42022-60%1972
Band-tailed PigeonColumbidae42012+60%1975
Blue-gray GnatcatcherPolioptilidae42022+150%1981
Cooper's HawkAccipitridae41993+100%1977
White-breasted NuthatchSittidae42012+125%1994
MallardAnatidae42014-20%1994
Hairy WoodpeckerPicidae32022+67%1978
House FinchFringillidae32022-53%1972
Lesser GoldfinchFringillidae32022-42%1972
Rock PigeonColumbidae31971n/an/a
Purple FinchFringillidae32022+133%1975
Lawrence's GoldfinchFringillidae32022-72%1975
Olive-sided FlycatcherTyrannidae31996+40%1974
Brewer's BlackbirdIcteridae32022+0%1977

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