BirdAnalyst
BBS Route · California · BCR 9

Madeline Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 129 species recorded across 20 survey years, still active.

129Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1997–2025Span
3Observers

Bird Species Found on California Madeline

Top 40 of 129 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
Canada GooseAnatidae702025+143%2011
Western MeadowlarkIcteridae682025+70%1999
Brewer's BlackbirdIcteridae582025-53%1999
MallardAnatidae442025+279%1999
Red-winged BlackbirdIcteridae382025+48%1999
Cliff SwallowHirundinidae362023+119%2012
American RobinTurdidae252025-60%1999
Mourning DoveColumbidae222025-15%1999
European StarlingSturnidae192025-55%2002
GadwallAnatidae172025+438%2002
White-faced IbisThreskiornithidae152014+114%2012
California QuailOdontophoridae132025+53%1999
WilletScolopacidae112025+144%2001
Gray FlycatcherTyrannidae112025-9%2012
Common RavenCorvidae102025+360%2010
RedheadAnatidae102018n/an/a
BushtitAegithalidae71997n/an/a
Sandhill CraneGruidae62025+0%1999
Western Wood-PeweeTyrannidae62025-37%1999
House FinchFringillidae62025+0%2011
Brewer's SparrowPasserellidae62025-65%2001
House SparrowPasseridae62023-84%2012
Bullock's OrioleIcteridae62025+186%2011
BuffleheadAnatidae62025+200%2016
Ring-necked DuckAnatidae62025+114%2019
KilldeerCharadriidae52025-45%1999
Chipping SparrowPasserellidae52025-83%1999
Western TanagerCardinalidae52025+250%1999
Ruddy DuckAnatidae52024+133%2021
American CootRallidae42025-29%2001
Common NighthawkCaprimulgidae42025+50%1999
Horned LarkAlaudidae42025-57%2011
Vesper SparrowPasserellidae42025+0%1999
Barn SwallowHirundinidae42019-33%1999
Northern House WrenTroglodytidae42025+83%1999
Ruby-crowned KingletRegulidae42002+300%1998
Eared GrebePodicipedidae42022+25%2016
American WigeonAnatidae42011n/an/a
Black TernLaridae32022-65%1999
American White PelicanPelecanidae32016-13%2001

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.