BBS Route · California · BCR 15

Goumaz Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 83 species recorded across 15 survey years, still active.

Bird Species Found on California Goumaz

Top 40 of 83 species by most recent count. Each links to its species trend.

Species recorded on the Goumaz 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
California GullLaridae802004n/an/a
Mountain ChickadeeParidae612011+4%1999
American RobinTurdidae522011-20%1999
Horned LarkAlaudidae512011-9%1999
Chipping SparrowPasserellidae462011-5%1999
Red-breasted NuthatchSittidae372011+24%1999
Western Wood-PeweeTyrannidae362011+60%1999
Western TanagerCardinalidae302011+160%1999
Dusky FlycatcherTyrannidae202011-29%1999
Brewer's BlackbirdIcteridae202011+52%1999
Common NighthawkCaprimulgidae192010+50%2000
Vesper SparrowPasserellidae182011-10%1999
Steller's JayCorvidae162011+71%1999
Mountain BluebirdTurdidae142011+314%2000
Western MeadowlarkIcteridae132011-10%1999
Hermit ThrushTurdidae112011-51%1999
Cassin's FinchFringillidae102011+0%1999
Evening GrosbeakFringillidae102009+425%2002
Red-tailed HawkAccipitridae92011+114%1999
Savannah SparrowPasserellidae82011-19%1999
Gray FlycatcherTyrannidae72011+89%2001
American AvocetRecurvirostridae62010+80%1999
Common RavenCorvidae62011+142%1999
Warbling VireoVireonidae62011+129%2000
WilletScolopacidae52011+44%1999
White-headed WoodpeckerPicidae52011+150%2000
Brown-headed CowbirdIcteridae42011-11%1999
Red-winged BlackbirdIcteridae42011+0%1999
Brewer's SparrowPasserellidae42011+35%1999
Tree SwallowHirundinidae42011+6%1999
Hermit WarblerParulidae42009-74%1999
Golden-crowned KingletRegulidae42011-54%1999
Wilson's SnipeScolopacidae42011-42%2001
Red-breasted SapsuckerPicidae42011+133%2000
White-breasted NuthatchSittidae42011+400%2001
Clark's NutcrackerCorvidae42011+300%2003
Sandhill CraneGruidae32011+175%2000
Spotted SandpiperScolopacidae32011-20%1998
Hairy WoodpeckerPicidae32011+100%1999
Olive-sided FlycatcherTyrannidae32011+171%1999

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