BirdAnalyst
BBS Route · California · BCR 32

Jofegan Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 89 species recorded across 10 survey years, no longer active.

89Species 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 →
10Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2006–2023Span
3Observers

Bird Species Found on California Jofegan

Top 40 of 89 species by most recent count. Each links to its species trend.

Species recorded on the Jofegan 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
Red-winged BlackbirdIcteridae1522023+600%2009
Spotted TowheePasserellidae292023+15%2008
Mourning DoveColumbidae222023-5%2008
WrentitSylviidae212023-66%2008
Acorn WoodpeckerPicidae202023+19%2008
Western MeadowlarkIcteridae202023+209%2008
California TowheePasserellidae202023+0%2008
California QuailOdontophoridae192023-5%2008
House FinchFringillidae192023-1%2008
European StarlingSturnidae172022+93%2009
Common RavenCorvidae112023-60%2008
Horned LarkAlaudidae112023+47%2015
Grasshopper SparrowPasserellidae102023-10%2008
Black-headed GrosbeakCardinalidae82023-61%2008
Northern MockingbirdMimidae82023+77%2008
Ash-throated FlycatcherTyrannidae72023+0%2008
California Scrub-JayCorvidae72023-34%2008
Common YellowthroatParulidae62023-11%2008
Bewick's WrenTroglodytidae62023+900%2008
Tricolored BlackbirdIcteridae62007n/an/a
Hermit ThrushTurdidae62009+500%2007
MallardAnatidae52015+67%2006
American CrowCorvidae52022+118%2009
Cliff SwallowHirundinidae52022-74%2008
Orange-crowned WarblerParulidae52023+67%2017
American KestrelFalconidae42022+22%2008
Costa's HummingbirdTrochilidae42023+0%2008
Northern Rough-winged SwallowHirundinidae42023+133%2008
Yellow-breasted ChatIcteriidae42018-60%2008
Chipping SparrowPasserellidae42018+150%2015
Black-chinned SparrowPasserellidae42009-33%2007
Western BluebirdTurdidae42023+14%2009
American GoldfinchFringillidae42018+67%2009
Violet-green SwallowHirundinidae42015n/an/a
Eurasian Collared-DoveColumbidae42015n/an/a
Turkey VultureCathartidae32023+114%2017
Red-shouldered HawkAccipitridae32009+133%2007
White-throated SwiftApodidae32023+22%2009
Anna's HummingbirdTrochilidae32023-12%2008
Lesser GoldfinchFringillidae32023-40%2008

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