BBS Route · California · BCR 15

Crestview Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 56 species recorded across 17 survey years, still active.

Bird Species Found on California Crestview

Top 40 of 56 species by most recent count. Each links to its species trend.

Species recorded on the Crestview 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 TanagerCardinalidae322024+104%1999
Dusky FlycatcherTyrannidae302024-10%1999
Mountain ChickadeeParidae222024-9%1999
Western Wood-PeweeTyrannidae162024+30%1999
Green-tailed TowheePasserellidae102024-7%1999
Clark's NutcrackerCorvidae72024-14%1999
Cassin's FinchFringillidae72024-41%1999
Chipping SparrowPasserellidae72024-67%1999
Brewer's BlackbirdIcteridae52024+36%1999
American RobinTurdidae52024+129%1999
Brewer's SparrowPasserellidae42024-13%1999
Pygmy NuthatchSittidae42024+75%1999
Gray FlycatcherTyrannidae32024+91%1999
Black-headed GrosbeakCardinalidae32022+167%2000
White-breasted NuthatchSittidae32024-39%1999
Red-breasted NuthatchSittidae32024+225%2000
Townsend's SolitaireTurdidae32022-21%1999
Pine SiskinFringillidae32018-31%2003
Mourning DoveColumbidae32024-60%2004
Williamson's SapsuckerPicidae22024+25%1999
Olive-sided FlycatcherTyrannidae22021+60%2000
Common RavenCorvidae22022-11%1999
Spotted TowheePasserellidae22021+50%2004
Warbling VireoVireonidae22024-53%1999
Tree SwallowHirundinidae21998n/an/a
Vesper SparrowPasserellidae22024+20%2001
Great Horned OwlStrigidae22021+100%2000
Vaux's SwiftApodidae22000n/an/a
Fox SparrowPasserellidae22024-33%2004
Pinyon JayCorvidae22019-75%2004
Black-backed WoodpeckerPicidae22024+100%2013
Northern House WrenTroglodytidae22018+50%2016
Red-tailed HawkAccipitridae12022+0%2000
Hairy WoodpeckerPicidae12024-22%1999
Red-breasted SapsuckerPicidae11997n/an/a
Steller's JayCorvidae12022-6%1999
House FinchFringillidae12022+0%1997
Red CrossbillFringillidae12013+120%1999
Song SparrowPasserellidae12024+0%1997
Violet-green SwallowHirundinidae12015-43%1999

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