BirdAnalyst
BBS Route · California · BCR 9

Tionesta Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 105 species recorded across 23 survey years, still active.

105Species 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 →
23Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1997–2021Span
6Observers

Bird Species Found on California Tionesta

Top 40 of 105 species by most recent count. Each links to its species trend.

Species recorded on the Tionesta 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
Mountain ChickadeeParidae262021+35%1999
Spotted TowheePasserellidae242021+2%1999
Western TanagerCardinalidae232021+162%1999
Red CrossbillFringillidae202021+221%1999
Gray FlycatcherTyrannidae192021+174%2007
Hammond's FlycatcherTyrannidae182021+56%1999
Red-breasted NuthatchSittidae162021+56%1999
Mourning DoveColumbidae142021-10%1999
Common NighthawkCaprimulgidae142021+25%2000
Hermit ThrushTurdidae112021+100%1999
Chipping SparrowPasserellidae92021+8%1999
Green-tailed TowheePasserellidae82021-11%1999
Black-backed WoodpeckerPicidae82021+100%2009
Brewer's BlackbirdIcteridae72021-66%1999
American RobinTurdidae72021-37%1999
Lark SparrowPasserellidae72021+157%2006
Band-tailed PigeonColumbidae72017-47%2010
California Scrub-JayCorvidae62021-37%1999
Vesper SparrowPasserellidae62021-40%1999
Mountain BluebirdTurdidae62021+83%2000
Lesser GoldfinchFringillidae62021+300%2006
American CrowCorvidae62017+200%2015
Hairy WoodpeckerPicidae52021+183%1999
Western KingbirdTyrannidae52021-25%1999
Dusky FlycatcherTyrannidae52021-49%1999
Brown-headed CowbirdIcteridae52021+114%1999
House FinchFringillidae52021+120%2000
Pygmy NuthatchSittidae52021+39%2000
Ash-throated FlycatcherTyrannidae52021-13%2005
Steller's JayCorvidae42019-50%1999
Common RavenCorvidae42021+100%2000
Brown CreeperCerthiidae42021+100%2001
Western BluebirdTurdidae42021+225%2003
Black-throated SparrowPasserellidae42021+75%2013
White-headed WoodpeckerPicidae32021+300%2000
Olive-sided FlycatcherTyrannidae32021-18%1999
Purple FinchFringillidae32021-40%2001
Pine SiskinFringillidae32021+100%2000
California QuailOdontophoridae32018-13%2000
Evening GrosbeakFringillidae32021+89%2007

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