BirdAnalyst
BBS Route · California · BCR 32

Hough Springs Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 81 species recorded across 9 survey years, no longer active.

81Species 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 →
9Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1999–2007Span
1Observers

Bird Species Found on California Hough Springs

Top 40 of 81 species by most recent count. Each links to its species trend.

Species recorded on the Hough Springs 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
WrentitSylviidae632007+31%2001
Spotted TowheePasserellidae442007+26%2001
Western TanagerCardinalidae382007+45%2001
Steller's JayCorvidae252007+12%2001
Black-throated Gray WarblerParulidae252007+27%2001
Bewick's WrenTroglodytidae212007+2%2001
Mourning DoveColumbidae202007-8%2001
Cliff SwallowHirundinidae202006+225%2002
Black-headed GrosbeakCardinalidae192007-3%2001
California Scrub-JayCorvidae152007-46%2001
California TowheePasserellidae152007-5%2001
Red-breasted NuthatchSittidae152007+194%2001
Western Wood-PeweeTyrannidae142007+147%2001
Ash-throated FlycatcherTyrannidae132007+15%2001
Cassin's VireoVireonidae132007-6%2001
Turkey VultureCathartidae82007+25%2001
Bell's SparrowPasserellidae82007-28%2001
American RobinTurdidae82007+36%2001
Song SparrowPasserellidae82006+400%2002
Lesser GoldfinchFringillidae72007+21%2001
California ThrasherMimidae72007+173%2001
Pileated WoodpeckerPicidae62007-20%2002
Acorn WoodpeckerPicidae52007-14%2001
Common RavenCorvidae52007+71%2001
Brown-headed CowbirdIcteridae52005+55%2001
Mountain ChickadeeParidae52007+129%2002
Blue-gray GnatcatcherPolioptilidae52007+5%2001
Rufous-crowned SparrowPasserellidae42007-36%2003
Dusky FlycatcherTyrannidae32007-9%2001
Nashville WarblerParulidae32007-41%2001
Orange-crowned WarblerParulidae32007+0%2001
Hermit WarblerParulidae32006-54%2001
Townsend's SolitaireTurdidae32006+100%2003
California QuailOdontophoridae22007-59%2001
Band-tailed PigeonColumbidae22007+100%2001
Hairy WoodpeckerPicidae22007-25%2001
Olive-sided FlycatcherTyrannidae22006-22%2001
Lazuli BuntingCardinalidae22007+9%2001
Warbling VireoVireonidae22007-36%2001
Hutton's VireoVireonidae22007+33%2001

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