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BBS Route · California · BCR 32

Lockwood Val Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 110 species recorded across 38 survey years, still active.

110Species 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 →
1970–2019Span
6Observers

Bird Species Found on California Lockwood Val

Top 40 of 110 species by most recent count. Each links to its species trend.

Species recorded on the Lockwood Val 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
Common RavenCorvidae502019+875%1972
California QuailOdontophoridae452019+90%1972
California Scrub-JayCorvidae392019-9%1972
House FinchFringillidae282019-53%1972
Cassin's FinchFringillidae282006+94%1996
Ash-throated FlycatcherTyrannidae272019+26%1972
Mountain QuailOdontophoridae222019-51%1972
California TowheePasserellidae172019+42%1973
MallardAnatidae172012n/an/a
Tricolored BlackbirdIcteridae152010-84%1996
Bewick's WrenTroglodytidae142019+113%1972
Eurasian Collared-DoveColumbidae122019+113%2011
Lawrence's GoldfinchFringillidae112019+413%1975
California ThrasherMimidae112019+47%1972
Bell's SparrowPasserellidae102019+16%1972
Western BluebirdTurdidae92019+94%1972
Mourning DoveColumbidae82019-32%1972
Brewer's BlackbirdIcteridae82019+300%1973
Red-winged BlackbirdIcteridae82019+190%1974
American GoldfinchFringillidae82008n/an/a
Western MeadowlarkIcteridae72019-74%1972
Spotted TowheePasserellidae72019-66%1972
Cliff SwallowHirundinidae72019+150%1974
Oak TitmouseParidae62019-6%1972
European StarlingSturnidae62018-39%1973
Pygmy NuthatchSittidae61987+233%1984
Pinyon JayCorvidae52003+400%1970
WrentitSylviidae52019+12%1972
White-throated SwiftApodidae42019+56%1977
BushtitAegithalidae42019+69%1973
Western KingbirdTyrannidae42019+150%1975
Northern Rough-winged SwallowHirundinidae42017+186%1984
Lazuli BuntingCardinalidae42019+200%1975
Red-tailed HawkAccipitridae32019+0%1974
Nuttall's WoodpeckerPicidae32019+100%1972
Horned LarkAlaudidae32019+7%1972
Brown-headed CowbirdIcteridae32018+20%1974
Bullock's OrioleIcteridae32019+69%1972
Chipping SparrowPasserellidae32017+0%1972
Brewer's SparrowPasserellidae32019-71%1972

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