BBS Route · California · BCR 15

Sattley Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 139 species recorded across 37 survey years, still active.

Bird Species Found on California Sattley

Top 40 of 139 species by most recent count. Each links to its species trend.

Species recorded on the Sattley 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
Brewer's BlackbirdIcteridae1432024-75%1974
Ring-billed GullLaridae1272012+403%1981
Cliff SwallowHirundinidae762024+135%1975
White-faced IbisThreskiornithidae49201225×1999
Western MeadowlarkIcteridae262024-65%1974
Canada GooseAnatidae252017+729%1976
Western Wood-PeweeTyrannidae222024+42%1974
Red-winged BlackbirdIcteridae192024-81%1974
Brown-headed CowbirdIcteridae192024+240%1975
House SparrowPasseridae192024+79%1982
WilletScolopacidae172017-64%1974
Vesper SparrowPasserellidae152024+126%1974
American RobinTurdidae142024-54%1974
Common RavenCorvidae132024+263%1994
Mountain ChickadeeParidae122024+13%1974
American White PelicanPelecanidae102024+175%1982
Northern PintailAnatidae92010+0%1974
Red-tailed HawkAccipitridae92024+325%1974
Horned LarkAlaudidae92024-70%1974
Western TanagerCardinalidae92024+15%1974
Mourning DoveColumbidae82024-89%1974
Brewer's SparrowPasserellidae82024-43%1974
Mountain BluebirdTurdidae82015+225%1975
BushtitAegithalidae81992n/an/a
Yellow-headed BlackbirdIcteridae72019-99%1974
Red-breasted NuthatchSittidae72019+233%1975
Tree SwallowHirundinidae72014+25%1990
Sage ThrasherMimidae72024+167%1983
Lark SparrowPasserellidae72012+83%1996
Savannah SparrowPasserellidae62024+146%1981
Pygmy NuthatchSittidae62019+260%1982
Violet-green SwallowHirundinidae61994+200%1976
Steller's JayCorvidae52024+282%1974
Black TernLaridae51976n/an/a
Forster's TernLaridae52016+67%1990
Green-winged TealAnatidae41972n/an/a
Sandhill CraneGruidae42024-54%1974
Wilson's SnipeScolopacidae42019-70%1975
Spotted TowheePasserellidae42024+817%1975
Western BluebirdTurdidae42024+67%2003

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