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BBS Route · California · BCR 5

Redwood N.P. 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 51 species recorded across 2 survey years, no longer active.

51Species 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 →
2Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2012–2013Span
1Observers

Bird Species Found on California Redwood N.P. 2

Top 40 of 51 species by most recent count. Each links to its species trend.

Species recorded on the Redwood N.P. 2 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
Pacific WrenTroglodytidae762013-1%2012
Varied ThrushTurdidae672013+8%2012
Swainson's ThrushTurdidae522013+30%2012
Wilson's WarblerParulidae432013+30%2012
Hermit WarblerParulidae272013+23%2012
Chestnut-backed ChickadeeParidae262013-33%2012
Steller's JayCorvidae242013+33%2012
Red CrossbillFringillidae242013+500%2012
Golden-crowned KingletRegulidae242013-31%2012
Vaux's SwiftApodidae222013+340%2012
Marbled MurreletAlcidae192013-24%2012
Common RavenCorvidae102013+43%2012
Allen's HummingbirdTrochilidae92012n/an/a
Song SparrowPasserellidae92013-44%2012
Band-tailed PigeonColumbidae82013+14%2012
Hutton's VireoVireonidae82013+100%2012
White-crowned SparrowPasserellidae72013-22%2012
American GoldfinchFringillidae62012n/an/a
Black-headed GrosbeakCardinalidae62013+500%2012
Warbling VireoVireonidae62013+200%2012
Hermit ThrushTurdidae62013+20%2012
Canada JayCorvidae52012n/an/a
American RobinTurdidae52013-17%2012
Hairy WoodpeckerPicidae52013n/an/a
Northern Pygmy-OwlStrigidae42012n/an/a
Cliff SwallowHirundinidae42013+300%2012
Marsh WrenTroglodytidae42013+0%2012
Brown CreeperCerthiidae42013+0%2012
Violet-green SwallowHirundinidae42013n/an/a
Barn SwallowHirundinidae32013+0%2012
Common YellowthroatParulidae32013+50%2012
WrentitSylviidae32013+0%2012
Pileated WoodpeckerPicidae32013n/an/a
Great Blue HeronArdeidae22012n/an/a
Turkey VultureCathartidae22013-33%2012
Lazuli BuntingCardinalidae22013+0%2012
Cedar WaxwingBombycillidae22012n/an/a
Red-breasted NuthatchSittidae22013-67%2012
Orange-crowned WarblerParulidae22013n/an/a
Red-shouldered HawkAccipitridae12012n/an/a

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