BirdAnalyst
BBS Route · California · BCR 32

Orland Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 48 survey years, still active.

99Species 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 →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1972–2022Span
12Observers

Bird Species Found on California Orland

Top 40 of 99 species by most recent count. Each links to its species trend.

Species recorded on the Orland 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
European StarlingSturnidae2622022+592%1975
House SparrowPasseridae2082022+147%1976
Barn SwallowHirundinidae2012022+638%1974
Cliff SwallowHirundinidae1952017+80%1974
Mourning DoveColumbidae1072022+68%1974
Red-winged BlackbirdIcteridae922022-59%1974
Western KingbirdTyrannidae752022+78%1974
Brewer's BlackbirdIcteridae682022-75%1975
Eurasian Collared-DoveColumbidae522022+319%2011
Northern Rough-winged SwallowHirundinidae401992+133%1987
White-faced IbisThreskiornithidae352004n/an/a
Western MeadowlarkIcteridae242022-83%1974
American RobinTurdidae222022+725%1979
BushtitAegithalidae212022+330%1994
KilldeerCharadriidae172022+328%1974
Rock PigeonColumbidae152022+100%1974
American CrowCorvidae152022-69%1974
Black PhoebeTyrannidae152022+330%1980
Common RavenCorvidae152014+29%1984
Tree SwallowHirundinidae142022+500%1985
California Scrub-JayCorvidae122022+0%1977
Northern MockingbirdMimidae112022+350%1974
Bank SwallowHirundinidae101992n/an/a
Savannah SparrowPasserellidae101993n/an/a
Black-crowned Night HeronArdeidae92014+500%1990
Turkey VultureCathartidae82022+322%1982
Western Cattle-EgretArdeidae82013+0%2003
Great-tailed GrackleIcteridae72022+25%2013
House FinchFringillidae62022-8%1975
Ring-necked PheasantPhasianidae52019-85%1974
Northern PintailAnatidae52007+183%1982
Brown-headed CowbirdIcteridae52022-64%1977
MallardAnatidae42015+164%1978
Great EgretArdeidae42019+575%1988
Blue GrosbeakCardinalidae42015+83%1990
Lark SparrowPasserellidae42014+300%1992
Loggerhead ShrikeLaniidae32015-64%1974
Northern HarrierAccipitridae32011+50%1977
Burrowing OwlStrigidae22001-50%1975
Yellow-billed MagpieCorvidae22022-59%1974

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