BirdAnalyst
BBS Route · Oklahoma · BCR 24

Colcord Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 104 species recorded across 25 survey years, still active.

104Species 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 →
25Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1992–2022Span
4Observers

Bird Species Found on Oklahoma Colcord

Top 40 of 104 species by most recent count. Each links to its species trend.

Species recorded on the Colcord 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
European StarlingSturnidae672022+25%1994
Brown-headed CowbirdIcteridae482022-51%1994
Northern CardinalCardinalidae482022-14%1994
Indigo BuntingCardinalidae462022-54%1994
Eastern MeadowlarkIcteridae442022-64%1994
Purple MartinHirundinidae272022-42%1994
DickcisselCardinalidae242022-64%1994
Yellow-billed CuckooCuculidae212022-38%1994
American CrowCorvidae192022-67%1994
Northern MockingbirdMimidae182022+67%1994
Carolina WrenTroglodytidae182022+14%1994
Tufted TitmouseParidae162022-57%1994
Mourning DoveColumbidae152022-9%1994
Red-bellied WoodpeckerPicidae132022-6%1994
Scissor-tailed FlycatcherTyrannidae102022+0%1994
Eastern Wood-PeweeTyrannidae102022-82%1994
Painted BuntingCardinalidae102022+200%1994
Carolina ChickadeeParidae102022-72%1994
Eastern BluebirdTurdidae102022-76%1994
Turkey VultureCathartidae92022+65%1994
Blue JayCorvidae92022-67%1994
Red-winged BlackbirdIcteridae92022-82%1994
Northern ParulaParulidae92022-8%1994
Western Cattle-EgretArdeidae82005-66%1996
American GoldfinchFringillidae82022-57%1994
Great Crested FlycatcherTyrannidae72022-68%1994
Barn SwallowHirundinidae72022-84%1994
Eastern KingbirdTyrannidae62022-69%1994
Black VultureCathartidae62022+67%2007
Chipping SparrowPasserellidae52022-19%1994
House SparrowPasseridae52022-74%1994
White-breasted NuthatchSittidae52022-50%1994
Summer TanagerCardinalidae42022-67%1994
Blue-gray GnatcatcherPolioptilidae42022-92%1994
Fish CrowCorvidae42022+50%1996
Eurasian Collared-DoveColumbidae42022-30%2010
KilldeerCharadriidae32022-55%1994
Red-tailed HawkAccipitridae32022-40%1994
Downy WoodpeckerPicidae32022-46%1994
Eastern PhoebeTyrannidae32022-84%1994

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