BirdAnalyst
BBS Route · California · BCR 9

Madeline Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 128 species recorded across 19 survey years, still active.

128Species 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 →
19Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1997–2024Span
3Observers

Bird Species Found on California Madeline

Top 40 of 128 species by most recent count. Each links to its species trend.

Species recorded on the Madeline 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
Western MeadowlarkIcteridae712024+59%1999
Canada GooseAnatidae672024+47%2011
Red-winged BlackbirdIcteridae642024+100%1999
Cliff SwallowHirundinidae362023+119%2012
Brewer's BlackbirdIcteridae312024-64%1999
American RobinTurdidae272024-53%1999
MallardAnatidae252024+74%1999
GadwallAnatidae222024+350%2002
European StarlingSturnidae172024-72%2002
Western TanagerCardinalidae162024+270%1999
White-faced IbisThreskiornithidae152014+114%2012
Ring-necked DuckAnatidae152024+140%2018
Gray FlycatcherTyrannidae132024+2%2012
WilletScolopacidae122024+213%2001
California QuailOdontophoridae122024+53%1999
Mourning DoveColumbidae102024-3%1999
Bullock's OrioleIcteridae102024+157%2011
RedheadAnatidae102018n/an/a
KilldeerCharadriidae92024-55%1999
Vesper SparrowPasserellidae92024-4%1999
Common RavenCorvidae92024+240%2010
Brown-headed CowbirdIcteridae82023-79%2001
House FinchFringillidae82024+132%2011
Western Wood-PeweeTyrannidae72024-34%1999
BushtitAegithalidae71997n/an/a
Western KingbirdTyrannidae62024+150%1999
Chipping SparrowPasserellidae62024-81%1999
House SparrowPasseridae62023-84%2012
American CootRallidae52024-29%2001
Common NighthawkCaprimulgidae52024+63%1999
Ruddy DuckAnatidae52024+133%2021
Wilson's SnipeScolopacidae42024-29%1999
Brewer's SparrowPasserellidae42024-65%2001
Barn SwallowHirundinidae42019-33%1999
Ruby-crowned KingletRegulidae42002+300%1998
Dusky FlycatcherTyrannidae42022-33%2012
Eared GrebePodicipedidae42022+25%2016
American WigeonAnatidae42011n/an/a
Hairy WoodpeckerPicidae42018-13%2014
Black TernLaridae32022-65%1999

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