BirdAnalyst
BBS Route · Oklahoma · BCR 18

Hardesty Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 79 species recorded across 36 survey years, still active.

79Species 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 →
36Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2024Span
9Observers

Bird Species Found on Oklahoma Hardesty

Top 40 of 79 species by most recent count. Each links to its species trend.

Species recorded on the Hardesty 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
Mourning DoveColumbidae1842024+1%1972
Western MeadowlarkIcteridae1632024-41%1972
DickcisselCardinalidae672024+900%1975
Cassin's SparrowPasserellidae572024-43%1977
Grasshopper SparrowPasserellidae562024+680%1973
Red-winged BlackbirdIcteridae412024-57%1972
Horned LarkAlaudidae232024+128%1972
Common NighthawkCaprimulgidae212024+44%1972
House SparrowPasseridae192024+209%1972
Lark SparrowPasserellidae152024-87%1972
Common GrackleIcteridae132024-19%1980
Cliff SwallowHirundinidae112024-37%1977
KilldeerCharadriidae102024+17%1972
Purple MartinHirundinidae101972-29%1970
Bank SwallowHirundinidae102006-44%1972
Barn SwallowHirundinidae92024+133%1976
Western KingbirdTyrannidae82024-41%1972
Eurasian Collared-DoveColumbidae82024+160%2013
Scaled QuailOdontophoridae72024+133%1979
Northern BobwhiteOdontophoridae62024-48%1973
European StarlingSturnidae62024+120%1976
Blue GrosbeakCardinalidae62024+133%1987
American CrowCorvidae52002-33%1973
Great-tailed GrackleIcteridae52006+40%1984
Brewer's BlackbirdIcteridae51988-76%1977
American KestrelFalconidae42024+50%1976
Northern MockingbirdMimidae42024+157%1973
Lark BuntingPasserellidae42015-96%1975
MallardAnatidae32007-63%1972
Scissor-tailed FlycatcherTyrannidae32024+0%1976
Red-headed WoodpeckerPicidae32015+50%1976
Bullock's OrioleIcteridae32024+0%1976
House FinchFringillidae32015-67%1991
American AvocetRecurvirostridae31983+50%1982
Brown ThrasherMimidae32004+50%1984
Ash-throated FlycatcherTyrannidae32000n/an/a
Ring-necked PheasantPhasianidae22024-79%1972
Burrowing OwlStrigidae22024-42%1975
Brown-headed CowbirdIcteridae22024-55%1972
Field SparrowPasserellidae22013-28%1972

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