BirdAnalyst
BBS Route · California · BCR 5

Cecilville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 54 species recorded across 13 survey years, still active.

54Species 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 →
13Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–2017Span
2Observers

Bird Species Found on California Cecilville

Top 40 of 54 species by most recent count. Each links to its species trend.

Species recorded on the Cecilville 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
Western TanagerCardinalidae472017+50%2001
Steller's JayCorvidae462017+26%2001
Black-headed GrosbeakCardinalidae322017+2%2001
Red-breasted NuthatchSittidae112017-40%2001
Black-throated Gray WarblerParulidae92017-34%2001
Cassin's VireoVireonidae82017-5%2001
Lazuli BuntingCardinalidae72017-53%2001
American RobinTurdidae72017-33%2001
Hutton's VireoVireonidae62017-10%2001
Spotted TowheePasserellidae52017-73%2001
Red-breasted SapsuckerPicidae42017+13%2010
Brewer's BlackbirdIcteridae42014n/an/a
Green-tailed TowheePasserellidae32002+200%2001
Downy WoodpeckerPicidae32010n/an/a
Band-tailed PigeonColumbidae21999n/an/a
Western Wood-PeweeTyrannidae22017-47%2001
Nashville WarblerParulidae22017-74%2001
Wilson's WarblerParulidae21999n/an/a
Pacific WrenTroglodytidae22017-20%2001
Hermit ThrushTurdidae22017-60%2001
Common RavenCorvidae22017+50%2002
Brown CreeperCerthiidae22017-18%2002
Hairy WoodpeckerPicidae22017+0%2014
Turkey VultureCathartidae22003n/an/a
Red-tailed HawkAccipitridae22014+100%2003
Mountain QuailOdontophoridae12017-33%2002
Pileated WoodpeckerPicidae12017-40%2001
Olive-sided FlycatcherTyrannidae12016-33%2000
Dusky FlycatcherTyrannidae12015+0%1999
Brown-headed CowbirdIcteridae12002+0%1999
Purple FinchFringillidae12017-73%2003
Chipping SparrowPasserellidae12017-50%2001
Warbling VireoVireonidae12017-29%2010
Hermit WarblerParulidae12017-84%2001
MacGillivray's WarblerParulidae12002-33%2000
Chestnut-backed ChickadeeParidae12017-9%2003
Golden-crowned KingletRegulidae12015-17%2001
Rufous HummingbirdTrochilidae12002+0%2000
Lesser GoldfinchFringillidae12012+0%2001
Northern House WrenTroglodytidae12002+0%2000

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