BBS Route · California · BCR 32

San Benito Mtn. Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 67 species recorded across 7 survey years, no longer active.

Bird Species Found on California San Benito Mtn.

Top 40 of 67 species by most recent count. Each links to its species trend.

Species recorded on the San Benito Mtn. 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
WrentitSylviidae582009-35%2005
Spotted TowheePasserellidae472009-52%2006
Mourning DoveColumbidae352009+28%2005
Ash-throated FlycatcherTyrannidae292009-15%2005
Purple FinchFringillidae252009-9%2005
Black-headed GrosbeakCardinalidae222009+283%2005
California Scrub-JayCorvidae212009-22%2005
Oak TitmouseParidae202009-24%2005
California QuailOdontophoridae152009-48%2005
Western Wood-PeweeTyrannidae142009+0%2005
Lesser GoldfinchFringillidae132009-48%2005
Olive-sided FlycatcherTyrannidae112009-51%2005
Western BluebirdTurdidae112009+86%2005
House FinchFringillidae102009+64%2005
Bewick's WrenTroglodytidae102009-78%2005
California TowheePasserellidae92009-79%2005
White-throated SwiftApodidae72009+250%2003
White-breasted NuthatchSittidae62009+100%2004
Chipping SparrowPasserellidae62005n/an/a
European StarlingSturnidae52005n/an/a
Violet-green SwallowHirundinidae42009-12%2005
California ThrasherMimidae42009-60%2005
Mountain QuailOdontophoridae32009-83%2005
Downy WoodpeckerPicidae32005+50%2003
Black-chinned SparrowPasserellidae32009+200%2003
Bell's SparrowPasserellidae32009+14%2005
Northern Pygmy-OwlStrigidae32005+200%2004
Acorn WoodpeckerPicidae32009+67%2006
Anna's HummingbirdTrochilidae32008+200%2004
Common RavenCorvidae32009+78%2005
Cliff SwallowHirundinidae32009+50%2005
Hairy WoodpeckerPicidae32009+0%2007
Red-tailed HawkAccipitridae22009-40%2005
Western TanagerCardinalidae22009-72%2005
American RobinTurdidae22009-57%2004
Turkey VultureCathartidae22008-40%2005
Western KingbirdTyrannidae22009-57%2006
Hutton's VireoVireonidae22005n/an/a
Northern Rough-winged SwallowHirundinidae22007n/an/a
Wilson's WarblerParulidae22007n/an/a

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