BirdAnalyst
BBS Route · California · BCR 33

Haiwee Res Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 67 species recorded across 16 survey years, still active.

67Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2005Span
5Observers

Bird Species Found on California Haiwee Res

Top 40 of 67 species by most recent count. Each links to its species trend.

Species recorded on the Haiwee Res 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 GullLaridae502004+285%1993
Black-throated SparrowPasserellidae442005-37%1992
Common RavenCorvidae362005-44%1992
Northern MockingbirdMimidae232005+438%1992
Mourning DoveColumbidae192005-32%1992
Eared GrebePodicipedidae162004+240%1998
House FinchFringillidae142005+32%1992
American AvocetRecurvirostridae122005-60%1993
European StarlingSturnidae102005+32%1992
Ash-throated FlycatcherTyrannidae72005-11%1994
ChukarPhasianidae72005+600%2004
Western KingbirdTyrannidae62005-53%1992
Scott's OrioleIcteridae62005+0%1993
Ruddy DuckAnatidae61992n/an/a
Cliff SwallowHirundinidae61997+200%1993
Horned LarkAlaudidae42005-75%1992
Red-winged BlackbirdIcteridae42005-50%1993
Barn SwallowHirundinidae42005-46%1998
Sage ThrasherMimidae41998+100%1976
Lesser GoldfinchFringillidae41999+300%1995
House SparrowPasseridae32005-40%1992
Cinnamon TealAnatidae32000-20%1993
American KestrelFalconidae31999+17%1993
Yellow-headed BlackbirdIcteridae32004-36%1994
Red-tailed HawkAccipitridae22004-29%1996
Western MeadowlarkIcteridae22005-47%1992
Bullock's OrioleIcteridae22005-43%1993
Northern Rough-winged SwallowHirundinidae21997+0%1975
Loggerhead ShrikeLaniidae22004-39%1993
California QuailOdontophoridae22005+100%1994
Brown-headed CowbirdIcteridae22004+0%1994
Cactus WrenTroglodytidae22005+67%1994
GadwallAnatidae21998-80%1992
American CootRallidae22002-48%1997
Black-necked StiltRecurvirostridae22004+40%1995
Say's PhoebeTyrannidae22005+60%1996
Brewer's SparrowPasserellidae22001+0%1993
Northern HarrierAccipitridae21997-33%1996
Snowy PloverCharadriidae11976+0%1975
Ladder-backed WoodpeckerPicidae12004+67%1995

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