BirdAnalyst
BBS Route · California · BCR 15

Forest Hill 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 42 species recorded across 1 survey years, no longer active.

42Species 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 →
1Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2005–2005Span
1Observers

Bird Species Found on California Forest Hill 2

Top 40 of 42 species by most recent count. Each links to its species trend.

Species recorded on the Forest Hill 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
American RobinTurdidae522005n/an/a
Black-headed GrosbeakCardinalidae372005n/an/a
Nashville WarblerParulidae342005n/an/a
Black-throated Gray WarblerParulidae332005n/an/a
Steller's JayCorvidae252005n/an/a
Red-breasted NuthatchSittidae232005n/an/a
WrentitSylviidae202005n/an/a
Western TanagerCardinalidae182005n/an/a
Cassin's VireoVireonidae182005n/an/a
Spotted TowheePasserellidae152005n/an/a
Mountain ChickadeeParidae132005n/an/a
Violet-green SwallowHirundinidae112005n/an/a
Barn SwallowHirundinidae82005n/an/a
Orange-crowned WarblerParulidae82005n/an/a
Mountain QuailOdontophoridae72005n/an/a
Hutton's VireoVireonidae62005n/an/a
Band-tailed PigeonColumbidae52005n/an/a
Hammond's FlycatcherTyrannidae52005n/an/a
Hermit WarblerParulidae52005n/an/a
Turkey VultureCathartidae42005n/an/a
Western Wood-PeweeTyrannidae42005n/an/a
Dusky FlycatcherTyrannidae42005n/an/a
Olive-sided FlycatcherTyrannidae32005n/an/a
MacGillivray's WarblerParulidae32005n/an/a
Red-tailed HawkAccipitridae22005n/an/a
Nuttall's WoodpeckerPicidae22005n/an/a
Acorn WoodpeckerPicidae22005n/an/a
California Scrub-JayCorvidae22005n/an/a
American CrowCorvidae22005n/an/a
Warbling VireoVireonidae22005n/an/a
Brown CreeperCerthiidae22005n/an/a
Oak TitmouseParidae22005n/an/a
Blue-gray GnatcatcherPolioptilidae22005n/an/a
Hermit ThrushTurdidae22005n/an/a
Sooty GrousePhasianidae12005n/an/a
Northern Pygmy-OwlStrigidae12005n/an/a
Hairy WoodpeckerPicidae12005n/an/a
Anna's HummingbirdTrochilidae12005n/an/a
Evening GrosbeakFringillidae12005n/an/a
Purple FinchFringillidae12005n/an/a

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