BirdAnalyst
BBS Route · California · BCR 15

Sattley Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 139 species recorded across 38 survey years, still active.

139Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2025Span
5Observers

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
Ring-billed GullLaridae1272012+403%1981
Brewer's BlackbirdIcteridae652025-76%1974
Western MeadowlarkIcteridae452025-71%1974
Canada GooseAnatidae35202511×1976
Cliff SwallowHirundinidae342025+42%1975
Red-winged BlackbirdIcteridae292025-71%1974
Western Wood-PeweeTyrannidae202025+18%1974
Vesper SparrowPasserellidae192025+78%1974
Mountain ChickadeeParidae152025+42%1974
Brewer's SparrowPasserellidae142025-60%1974
European StarlingSturnidae122025-65%1974
American RobinTurdidae112025-57%1974
Sandhill CraneGruidae102025-21%1974
House FinchFringillidae102025+0%1981
Common RavenCorvidae102025+275%1994
White-faced IbisThreskiornithidae102025+392%2006
Northern PintailAnatidae92010+0%1974
Steller's JayCorvidae92025+218%1974
Yellow-headed BlackbirdIcteridae82025-98%1974
Western TanagerCardinalidae82025+7%1974
BushtitAegithalidae81992n/an/a
KilldeerCharadriidae72025-80%1974
Horned LarkAlaudidae72025-76%1974
Brown-headed CowbirdIcteridae72025+230%1975
Spotted TowheePasserellidae72025+500%1975
Lark SparrowPasserellidae72012+83%1996
Sage ThrasherMimidae62025+200%1983
Pygmy NuthatchSittidae62019+260%1982
Violet-green SwallowHirundinidae61994+200%1976
California QuailOdontophoridae62025+333%2004
Mourning DoveColumbidae52025-86%1974
Black-billed MagpieCorvidae52025-63%1974
Red-breasted NuthatchSittidae52025+333%1975
Mountain BluebirdTurdidae52025+325%1975
House SparrowPasseridae52025+86%1982
American White PelicanPelecanidae52025+158%1982
Black TernLaridae51976n/an/a
Forster's TernLaridae52016+67%1990
Green-winged TealAnatidae41972n/an/a
Barn SwallowHirundinidae42025-88%1974

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.