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BBS Route · California · BCR 15

Silver City Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 115 species recorded across 23 survey years, still active.

115Species 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 →
23Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2013Span
8Observers

Bird Species Found on California Silver City

Top 40 of 115 species by most recent count. Each links to its species trend.

Species recorded on the Silver City 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
Oak TitmouseParidae54201340×1976
Acorn WoodpeckerPicidae492013+122%1974
California Scrub-JayCorvidae392013-4%1974
WrentitSylviidae332013+22%1974
Western TanagerCardinalidae292013+811%1974
Ash-throated FlycatcherTyrannidae282013+200%1976
Spotted TowheePasserellidae262013+286%1975
House FinchFringillidae252013+21%1974
Black-headed GrosbeakCardinalidae242013+33%1980
European StarlingSturnidae182013+122%1978
Bewick's WrenTroglodytidae152013+93%1974
Lesser GoldfinchFringillidae152013+300%1978
California TowheePasserellidae132013+17%1974
White-throated SwiftApodidae112013+36%1978
Black-throated Gray WarblerParulidae112013+517%1994
White-breasted NuthatchSittidae102013+122%1977
Red-breasted NuthatchSittidae82013+75%1976
Western Wood-PeweeTyrannidae82013+32%1980
Yellow WarblerParulidae82001+700%1993
Steller's JayCorvidae72013-28%1974
Mountain ChickadeeParidae72013-23%1974
Hutton's VireoVireonidae72013+40%2004
Blue-gray GnatcatcherPolioptilidae72013+10%1996
Turkey VultureCathartidae62013-15%1975
Golden-crowned KingletRegulidae62013-49%1981
Rufous-crowned SparrowPasserellidae62013+133%2009
American RobinTurdidae52013-63%1974
Lawrence's GoldfinchFringillidae51996+60%1981
Brewer's SparrowPasserellidae51977n/an/a
Red-shouldered HawkAccipitridae52013+100%1981
Nuttall's WoodpeckerPicidae52013+0%1981
Hermit WarblerParulidae52013+100%2004
Common RavenCorvidae52013+50%1994
Mourning DoveColumbidae42013-7%1975
Anna's HummingbirdTrochilidae42013+14%1974
American CrowCorvidae42003+20%1976
Bullock's OrioleIcteridae42013-30%1974
Brewer's BlackbirdIcteridae42013-74%1974
Lark SparrowPasserellidae42004+11%1977
House SparrowPasseridae42013-62%1974

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