BirdAnalyst
BBS Route · Oklahoma · BCR 21

Heyburn Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 101 species recorded across 28 survey years, still active.

101Species 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 →
28Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2025Span
5Observers

Bird Species Found on Oklahoma Heyburn

Top 40 of 101 species by most recent count. Each links to its species trend.

Species recorded on the Heyburn 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
Cliff SwallowHirundinidae71202515×2014
Northern CardinalCardinalidae692025+74%1994
Turkey VultureCathartidae582025+629%1997
American CrowCorvidae532025+5%1994
Tufted TitmouseParidae512025+104%1994
Indigo BuntingCardinalidae462025+86%1994
Painted BuntingCardinalidae402025+340%1994
Yellow-billed CuckooCuculidae342025+8%1994
Brown-headed CowbirdIcteridae302025-4%1994
Carolina WrenTroglodytidae302025+158%1994
Carolina ChickadeeParidae302025+46%1994
Northern MockingbirdMimidae252025+53%1994
DickcisselCardinalidae242025-50%1994
Mourning DoveColumbidae202025+200%1994
Blue-gray GnatcatcherPolioptilidae192025-2%1994
European StarlingSturnidae172025-4%1994
Eastern MeadowlarkIcteridae172025-63%1994
Blue GrosbeakCardinalidae172025+88%1994
House SparrowPasseridae172025+22%1994
Downy WoodpeckerPicidae162025+69%1994
Eastern BluebirdTurdidae162025+26%1994
Summer TanagerCardinalidae152025+457%1997
Red-bellied WoodpeckerPicidae132025+64%1994
Eastern Wood-PeweeTyrannidae132025+140%1994
Great Crested FlycatcherTyrannidae112025+13%1994
Eastern PhoebeTyrannidae112025+108%1994
Blue JayCorvidae112025-14%1994
White-eyed VireoVireonidae102025+67%2000
Northern BobwhiteOdontophoridae92025-80%1994
Field SparrowPasserellidae82025-80%1994
Bell's VireoVireonidae82025+122%1994
Rock PigeonColumbidae82017+60%1999
Scissor-tailed FlycatcherTyrannidae72025-30%1994
White-breasted NuthatchSittidae72025+64%1994
Pileated WoodpeckerPicidae72025+167%2001
Eurasian Collared-DoveColumbidae72025+46%2014
Common GrackleIcteridae62025-52%1994
Fish CrowCorvidae62025+250%1998
Barn SwallowHirundinidae52025-33%1994
Northern ParulaParulidae52025+150%1994

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14. A route is a sample, not a census.