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BBS Route · California · BCR 32

Jacumba Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 111 species recorded across 39 survey years, still active.

111Species 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 →
39Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1973–2024Span
8Observers

Bird Species Found on California Jacumba

Top 40 of 111 species by most recent count. Each links to its species trend.

Species recorded on the Jacumba 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
Tricolored BlackbirdIcteridae2001999100×1994
California Scrub-JayCorvidae712024-10%1976
California QuailOdontophoridae552024+90%1976
House FinchFringillidae522024-54%1976
Common RavenCorvidae442024+151%1976
California TowheePasserellidae402024+229%1976
Bewick's WrenTroglodytidae362024-7%1976
House SparrowPasseridae322024-42%1976
Ash-throated FlycatcherTyrannidae292024+339%1976
Eurasian Collared-DoveColumbidae262024+85%2014
Mourning DoveColumbidae212024+6%1976
GadwallAnatidae201988n/an/a
Acorn WoodpeckerPicidae182024+121%1976
Spotted TowheePasserellidae182024+11%1976
Western KingbirdTyrannidae112024+56%1976
Western MeadowlarkIcteridae102024+300%1978
Bullock's OrioleIcteridae102024-47%1976
California ThrasherMimidae102024-34%1976
WrentitSylviidae102024+136%1976
Northern ShovelerAnatidae101988n/an/a
Western BluebirdTurdidae92024-33%1976
Black-headed GrosbeakCardinalidae82024+85%1976
Oak TitmouseParidae82024+15%1976
Lesser GoldfinchFringillidae72024+7%1986
Say's PhoebeTyrannidae72024+58%1988
European StarlingSturnidae62024+51%1976
Brewer's BlackbirdIcteridae62024-56%1976
Lawrence's GoldfinchFringillidae62024-46%1978
American GoldfinchFringillidae61976n/an/a
Nuttall's WoodpeckerPicidae52024-13%1978
Pied-billed GrebePodicipedidae51995+450%1987
American CrowCorvidae52024-50%1988
Rock PigeonColumbidae52012+100%1991
White-throated SwiftApodidae42012+100%1989
Cassin's KingbirdTyrannidae42024+75%1990
Black-chinned SparrowPasserellidae42024-63%1976
Cactus WrenTroglodytidae42024+0%1987
MallardAnatidae42015-53%1988
Cinnamon TealAnatidae41988+300%1986
Ruddy DuckAnatidae41995n/an/a

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