BirdAnalyst
BBS Route · California · BCR 5

Redwood N.P. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 73 species recorded across 16 survey years, no longer active.

73Species 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 →
1995–2010Span
2Observers

Bird Species Found on California Redwood N.P.

Top 40 of 73 species by most recent count. Each links to its species trend.

Species recorded on the Redwood N.P. 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
Swainson's ThrushTurdidae642010-17%1997
Varied ThrushTurdidae492010+165%1997
Wilson's WarblerParulidae462010-6%1997
Pacific WrenTroglodytidae422010-28%1997
Band-tailed PigeonColumbidae282010-14%1997
Steller's JayCorvidae262010+57%1997
Song SparrowPasserellidae252010+12%1997
American RobinTurdidae202010-13%1997
Common RavenCorvidae152010-50%1997
White-crowned SparrowPasserellidae152010+200%1997
OspreyPandionidae152010+333%1999
European StarlingSturnidae132010+63%1997
Orange-crowned WarblerParulidae132010-22%1997
American GoldfinchFringillidae122010+156%1998
WrentitSylviidae112010+171%1997
Brewer's BlackbirdIcteridae102010-67%1997
Red-winged BlackbirdIcteridae92010-24%1997
American CrowCorvidae92010+163%2006
Barn SwallowHirundinidae82010-68%1997
Chestnut-backed ChickadeeParidae82010-84%1997
Purple FinchFringillidae52010-18%1997
Marsh WrenTroglodytidae52010+280%1999
Downy WoodpeckerPicidae52010+150%2006
Hutton's VireoVireonidae52010+75%2007
Great Blue HeronArdeidae42010-13%1999
Golden-crowned KingletRegulidae42010-73%1997
Cliff SwallowHirundinidae42010+54%2000
Red CrossbillFringillidae42010+0%2007
Brown PelicanPelecanidae42006n/an/a
Hairy WoodpeckerPicidae32010+0%1999
Warbling VireoVireonidae32009+33%1998
Pine SiskinFringillidae32001n/an/a
Western TanagerCardinalidae32009+200%2003
Mourning DoveColumbidae32010n/an/a
Vaux's SwiftApodidae22007+40%1997
Cedar WaxwingBombycillidae22009-75%1997
House SparrowPasseridae22010+0%1997
Brown CreeperCerthiidae22010-79%1997
Western GullLaridae21999-33%1996
Common MerganserAnatidae22006+0%1996

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