BirdAnalyst
BBS Route · California · BCR 32

Glen Ellen 3 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 44 species recorded across 1 survey years, still active.

44Species 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 →
1Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2024–2024Span
1Observers

Bird Species Found on California Glen Ellen 3

Top 40 of 44 species by most recent count. Each links to its species trend.

Species recorded on the Glen Ellen 3 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
House FinchFringillidae232024n/an/a
Cliff SwallowHirundinidae202024n/an/a
California QuailOdontophoridae192024n/an/a
Acorn WoodpeckerPicidae162024n/an/a
American CrowCorvidae132024n/an/a
California TowheePasserellidae102024n/an/a
Eurasian Collared-DoveColumbidae102024n/an/a
Black-headed GrosbeakCardinalidae82024n/an/a
Spotted TowheePasserellidae72024n/an/a
American RobinTurdidae72024n/an/a
Western GrebePodicipedidae52024n/an/a
Nuttall's WoodpeckerPicidae52024n/an/a
Steller's JayCorvidae52024n/an/a
California Scrub-JayCorvidae52024n/an/a
Common RavenCorvidae52024n/an/a
Red-winged BlackbirdIcteridae52024n/an/a
Warbling VireoVireonidae52024n/an/a
Orange-crowned WarblerParulidae52024n/an/a
Western BluebirdTurdidae52024n/an/a
Wild TurkeyPhasianidae42024n/an/a
European StarlingSturnidae42024n/an/a
Black PhoebeTyrannidae32024n/an/a
Lesser GoldfinchFringillidae32024n/an/a
House SparrowPasseridae32024n/an/a
WrentitSylviidae32024n/an/a
Song SparrowPasserellidae22024n/an/a
Hutton's VireoVireonidae22024n/an/a
Wilson's WarblerParulidae22024n/an/a
Oak TitmouseParidae22024n/an/a
Chestnut-backed ChickadeeParidae22024n/an/a
Pied-billed GrebePodicipedidae12024n/an/a
Canada GooseAnatidae12024n/an/a
Cooper's HawkAccipitridae12024n/an/a
OspreyPandionidae12024n/an/a
Great Horned OwlStrigidae12024n/an/a
Downy WoodpeckerPicidae12024n/an/a
Anna's HummingbirdTrochilidae12024n/an/a
Ash-throated FlycatcherTyrannidae12024n/an/a
Olive-sided FlycatcherTyrannidae12024n/an/a
Western MeadowlarkIcteridae12024n/an/a

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