BBS Route · California · BCR 15

Crestview Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 57 species recorded across 18 survey years, still active.

Bird Species Found on California Crestview

Top 40 of 57 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 TanagerCardinalidae392025+121%1999
Dusky FlycatcherTyrannidae282025-4%1999
Cassin's FinchFringillidae232025-9%1999
Mountain ChickadeeParidae232025-30%1999
Western Wood-PeweeTyrannidae172025+78%1999
Red CrossbillFringillidae162025+107%1999
Pine SiskinFringillidae112025+6%2003
Brewer's BlackbirdIcteridae102025+46%1999
Green-tailed TowheePasserellidae92025+7%1999
White-breasted NuthatchSittidae92025-50%1999
American RobinTurdidae82025+71%1999
Chipping SparrowPasserellidae72025-65%1999
Clark's NutcrackerCorvidae62025-29%1999
Mourning DoveColumbidae62025-33%2004
Williamson's SapsuckerPicidae52025+125%1999
Steller's JayCorvidae52025-25%1999
Hairy WoodpeckerPicidae42025+0%1999
Gray FlycatcherTyrannidae42025+91%1999
Common RavenCorvidae42025+0%1999
House FinchFringillidae42025+300%1997
Brewer's SparrowPasserellidae42025-27%1999
Mountain BluebirdTurdidae42025-73%1999
Red-tailed HawkAccipitridae32025-17%2000
Townsend's SolitaireTurdidae32022-21%1999
Spotted TowheePasserellidae22021+50%2004
Violet-green SwallowHirundinidae22025-57%1999
Brown CreeperCerthiidae22025-53%1999
Red-breasted NuthatchSittidae22025+175%2000
Pygmy NuthatchSittidae22025+100%1999
Hermit ThrushTurdidae22025-77%1999
Tree SwallowHirundinidae21998n/an/a
Great Horned OwlStrigidae22021+100%2000
Vaux's SwiftApodidae22000n/an/a
Pinyon JayCorvidae22019-75%2004
Black-backed WoodpeckerPicidae22025+100%2022
Northern House WrenTroglodytidae22018+50%2016
Red-breasted SapsuckerPicidae11997n/an/a
Olive-sided FlycatcherTyrannidae12025+0%2000
Song SparrowPasserellidae12024+0%1997
Black-headed GrosbeakCardinalidae12025+100%2000

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