BirdAnalyst
BBS Route · California · BCR 9

Fall River Mills Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 88 species recorded across 6 survey years, still active.

88Species 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 →
6Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1998–2011Span
3Observers

Bird Species Found on California Fall River Mills

Top 40 of 88 species by most recent count. Each links to its species trend.

Species recorded on the Fall River Mills 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
Brewer's BlackbirdIcteridae572011-48%2006
Spotted TowheePasserellidae152011-29%2006
Western Wood-PeweeTyrannidae132011-11%2006
Mourning DoveColumbidae102011-5%2006
Cassin's FinchFringillidae102007-29%2006
California Scrub-JayCorvidae92011+15%2006
Oak TitmouseParidae92011+8%2007
Canada JayCorvidae71998n/an/a
Western MeadowlarkIcteridae72011-41%2006
White-breasted NuthatchSittidae72011+190%2006
Lesser GoldfinchFringillidae72011-27%2007
Turkey VultureCathartidae62011+100%1998
Mountain ChickadeeParidae62011-19%2006
Western BluebirdTurdidae62011+14%2006
BushtitAegithalidae62011+43%2006
Lazuli BuntingCardinalidae62011+100%2006
Cliff SwallowHirundinidae62011n/an/a
Common RavenCorvidae52010+600%2000
Black-headed GrosbeakCardinalidae52011-22%2006
Brewer's SparrowPasserellidae52011+150%2006
Wood DuckAnatidae52007n/an/a
Western KingbirdTyrannidae42011+67%2006
Ash-throated FlycatcherTyrannidae42011-70%2006
American GoldfinchFringillidae41998n/an/a
American RobinTurdidae42011-65%2006
Mountain BluebirdTurdidae42007+100%2000
American CootRallidae42007+100%2006
Clark's NutcrackerCorvidae42006n/an/a
Golden EagleAccipitridae42010n/an/a
House SparrowPasseridae42010n/an/a
California QuailOdontophoridae32011-60%2006
Steller's JayCorvidae32011-7%2006
Pygmy NuthatchSittidae32007-73%1998
Black PhoebeTyrannidae32000n/an/a
Western TanagerCardinalidae32011-33%2006
Bewick's WrenTroglodytidae32011-69%2006
Acorn WoodpeckerPicidae32011-50%2007
Rock WrenTroglodytidae32011-25%2007
Evening GrosbeakFringillidae32007n/an/a
Red CrossbillFringillidae32007n/an/a

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