BBS Route · California · BCR 15

Pollock Pines Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 72 species recorded across 27 survey years, still active.

Bird Species Found on California Pollock Pines

Top 40 of 72 species by most recent count. Each links to its species trend.

Species recorded on the Pollock Pines 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
Lazuli BuntingCardinalidae52202421×2003
Western TanagerCardinalidae402024+24%1999
Mountain QuailOdontophoridae202024+43%1999
Red-breasted NuthatchSittidae152024+45%1999
American RobinTurdidae142024+46%1999
Black-headed GrosbeakCardinalidae132024+110%1999
Chipping SparrowPasserellidae122024+46%1999
Hairy WoodpeckerPicidae112024+163%1999
Spotted TowheePasserellidae102024-39%1999
Common RavenCorvidae102024+286%2000
Warbling VireoVireonidae92024-56%1999
Lesser GoldfinchFringillidae92024+20%2006
Olive-sided FlycatcherTyrannidae72024+60%1999
Western Wood-PeweeTyrannidae72024+64%1999
Dusky FlycatcherTyrannidae72024-50%2000
Fox SparrowPasserellidae72024-37%1999
Rock WrenTroglodytidae72024+600%2022
Steller's JayCorvidae62024+65%1999
Mountain ChickadeeParidae62024-51%2000
Hermit WarblerParulidae42024-10%1999
Northern House WrenTroglodytidae42024+200%1998
Brown CreeperCerthiidae42024-50%2000
Western BluebirdTurdidae42024+300%2014
Golden-crowned KingletRegulidae32022-41%1999
Brown-headed CowbirdIcteridae32024-33%2004
Band-tailed PigeonColumbidae22024+29%2000
Mourning DoveColumbidae22024+20%1999
Hammond's FlycatcherTyrannidae22024+40%1999
Evening GrosbeakFringillidae22021-78%2000
Brewer's BlackbirdIcteridae21999n/an/a
Pine SiskinFringillidae22016-60%2005
Red CrossbillFringillidae22019-82%2001
Red-tailed HawkAccipitridae22019+33%2007
MallardAnatidae22012n/an/a
Anna's HummingbirdTrochilidae22024+100%2022
Lark SparrowPasserellidae22024n/an/a
Mountain BluebirdTurdidae22024n/an/a
American KestrelFalconidae11997n/an/a
White-headed WoodpeckerPicidae12024+0%2000
Red-breasted SapsuckerPicidae12024-33%1999

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