BirdAnalyst
BBS Route · Oklahoma · BCR 18

Felt Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 88 species recorded across 51 survey years, still active.

88Species 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 →
51Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2024Span
9Observers

Bird Species Found on Oklahoma Felt

Top 40 of 88 species by most recent count. Each links to its species trend.

Species recorded on the Felt 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 MeadowlarkIcteridae1082024-10%1971
Mourning DoveColumbidae792024+53%1971
Chihuahuan RavenCorvidae72202315×1972
Cassin's SparrowPasserellidae652024+68%1971
Horned LarkAlaudidae612024+52%1971
Lark SparrowPasserellidae552024+163%1971
Red-winged BlackbirdIcteridae312024+729%1973
House SparrowPasseridae202024+19%1971
Common GrackleIcteridae182024+543%1980
Western KingbirdTyrannidae162024-49%1971
Rock PigeonColumbidae162024+200%1977
Northern MockingbirdMimidae112024-41%1971
Chipping SparrowPasserellidae112015+175%1972
Northern BobwhiteOdontophoridae102024+80%1971
Long-billed CurlewScolopacidae92024+100%1971
Bullock's OrioleIcteridae92024+16%1971
Burrowing OwlStrigidae82024+260%1977
Common NighthawkCaprimulgidae72024-17%1971
Ring-necked PheasantPhasianidae62024-75%1971
Turkey VultureCathartidae62024+22%1973
Blue GrosbeakCardinalidae62024+667%1990
Ash-throated FlycatcherTyrannidae62024+233%2014
Chimney SwiftApodidae61988+50%1986
Great-tailed GrackleIcteridae62024+0%2014
Eurasian Collared-DoveColumbidae62024+118%2009
Barn SwallowHirundinidae52024-13%1973
KilldeerCharadriidae42023-27%1972
Say's PhoebeTyrannidae42024-40%1993
Grasshopper SparrowPasserellidae42024-68%1973
Western Wood-PeweeTyrannidae42015+100%1989
Yellow-headed BlackbirdIcteridae41988-60%1985
Common RavenCorvidae42024+300%1993
Blue-winged TealAnatidae42023n/an/a
Swainson's HawkAccipitridae32024+213%1971
American KestrelFalconidae32024+50%1973
Red-headed WoodpeckerPicidae32024-33%1971
Cliff SwallowHirundinidae32023-53%1971
Brewer's BlackbirdIcteridae31972n/an/a
American CrowCorvidae32015+25%1983
Curve-billed ThrasherMimidae32024+13%2012

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