BirdAnalyst
BBS Route · California · BCR 5

Lonesome Rdg Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 71 species recorded across 11 survey years, still active.

71Species 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 →
11Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2014Span
3Observers

Bird Species Found on California Lonesome Rdg

Top 40 of 71 species by most recent count. Each links to its species trend.

Species recorded on the Lonesome Rdg 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
Hermit WarblerParulidae342014-5%1996
Black-headed GrosbeakCardinalidae232014+73%1996
Steller's JayCorvidae222014+20%1996
Western TanagerCardinalidae202014+43%1996
American RobinTurdidae162014+0%1996
Nashville WarblerParulidae142014+77%1996
Yellow-breasted ChatIcteriidae112014+47%1996
Hermit ThrushTurdidae112014-54%1996
Spotted TowheePasserellidae82014-53%1996
Lazuli BuntingCardinalidae72014+71%2003
Violet-green SwallowHirundinidae72014+600%2006
American CrowCorvidae62014+0%1997
Dusky FlycatcherTyrannidae52014-30%1996
Brown-headed CowbirdIcteridae52012+0%1996
Fox SparrowPasserellidae52014+67%2002
Tree SwallowHirundinidae52012+8%1997
Orange-crowned WarblerParulidae52014-19%1996
MacGillivray's WarblerParulidae52014+38%1996
Red-breasted NuthatchSittidae52014-52%1996
Allen's HummingbirdTrochilidae41996+100%1994
Mourning DoveColumbidae42014+40%2004
California QuailOdontophoridae32014-71%1996
Olive-sided FlycatcherTyrannidae32014-44%1996
Warbling VireoVireonidae32014+143%1996
Cassin's VireoVireonidae32014-31%1996
BushtitAegithalidae32014-72%1997
Swainson's ThrushTurdidae32014-13%2002
Red-breasted SapsuckerPicidae22014-13%2002
California Scrub-JayCorvidae22014-59%1997
Common RavenCorvidae22014+33%1996
Purple FinchFringillidae22014+0%2002
Red CrossbillFringillidae22014-13%2002
Brown CreeperCerthiidae22014-38%2002
Chestnut-backed ChickadeeParidae22014-55%1996
Golden-crowned KingletRegulidae22011-65%1996
Black-throated Gray WarblerParulidae22014-90%1997
Northern House WrenTroglodytidae22014+67%2002
Pacific WrenTroglodytidae22012+100%1995
European StarlingSturnidae21996n/an/a
Cassin's FinchFringillidae21996n/an/a

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