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BBS Route · Nevada · BCR 9

Nixon Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 42 survey years, still active.

76Species 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 →
42Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1973–2024Span
6Observers

Bird Species Found on Nevada Nixon

Top 40 of 76 species by most recent count. Each links to its species trend.

Species recorded on the Nixon 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
American White PelicanPelecanidae852023+170%1996
Horned LarkAlaudidae212024-63%1975
California QuailOdontophoridae192024+700%1987
Red-tailed HawkAccipitridae102024+200%1979
Brewer's BlackbirdIcteridae102023-68%1975
Canada GooseAnatidae102021-46%2001
American KestrelFalconidae92024+67%1975
Black-throated SparrowPasserellidae72024-49%1975
MallardAnatidae72024+100%1989
Mourning DoveColumbidae62024-40%1975
Sage ThrasherMimidae52016+267%1978
Lark SparrowPasserellidae52023+55%1991
Cinnamon TealAnatidae51992+67%1989
California GullLaridae42018+3%1975
Tree SwallowHirundinidae42021-10%2012
Say's PhoebeTyrannidae42024-13%1978
Common MerganserAnatidae42023+100%2001
House FinchFringillidae42023+36%1992
Savannah SparrowPasserellidae42019+300%1989
American CrowCorvidae41997+300%1991
Spotted TowheePasserellidae42018+300%1996
GadwallAnatidae42009n/an/a
Wood DuckAnatidae42015n/an/a
Common NighthawkCaprimulgidae32024-47%1975
Western KingbirdTyrannidae32024-33%1975
Red-winged BlackbirdIcteridae32023-70%1975
House SparrowPasseridae32024-33%1975
Caspian TernLaridae32022-10%1997
Cliff SwallowHirundinidae32024-36%1994
Turkey VultureCathartidae22024+175%1975
Black-billed MagpieCorvidae22024-58%1975
Common RavenCorvidae22024+129%1975
Western MeadowlarkIcteridae22024-85%1975
American RobinTurdidae22024+50%1989
Brown-headed CowbirdIcteridae22018+33%2004
Barn SwallowHirundinidae22024+100%1979
Golden EagleAccipitridae22009+67%1991
Chipping SparrowPasserellidae21978n/an/a
Brewer's SparrowPasserellidae22024+143%1993
Loggerhead ShrikeLaniidae22024-33%1988

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