BirdAnalyst
BBS Route · Oklahoma · BCR 19

Verden Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 40 survey years, still active.

97Species 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 →
40Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2017Span
6Observers

Bird Species Found on Oklahoma Verden

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Verden 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 SwallowHirundinidae1272017+298%1977
Western Cattle-EgretArdeidae802017+467%1978
Eastern MeadowlarkIcteridae792017+43%1969
Northern CardinalCardinalidae602017+69%1969
Brown-headed CowbirdIcteridae482017-23%1969
Mourning DoveColumbidae462017-7%1969
Painted BuntingCardinalidae412017+49%1969
DickcisselCardinalidae412017+42%1969
Eastern BluebirdTurdidae412017+66%1969
Purple MartinHirundinidae402015+856%1970
American CrowCorvidae282017-54%1969
Northern MockingbirdMimidae242017-8%1969
Northern BobwhiteOdontophoridae232017-61%1969
Chimney SwiftApodidae202004+63%1969
Scissor-tailed FlycatcherTyrannidae192017-37%1969
Turkey VultureCathartidae162017+13%1969
Lark SparrowPasserellidae162017-78%1969
House SparrowPasseridae162017-3%1969
Carolina ChickadeeParidae162017+3%1969
Carolina WrenTroglodytidae152017+533%1973
Red-bellied WoodpeckerPicidae122017+350%1969
European StarlingSturnidae122017-50%1969
Field SparrowPasserellidae122017-79%1969
Eastern PhoebeTyrannidae102017+167%1969
Blue-gray GnatcatcherPolioptilidae92017+125%1969
Eurasian Collared-DoveColumbidae92017+800%2015
Downy WoodpeckerPicidae82017-8%1969
Barn SwallowHirundinidae82017-69%1969
Red-winged BlackbirdIcteridae72017-80%1969
Common YellowthroatParulidae71971+200%1969
Red-tailed HawkAccipitridae62017+60%1969
Yellow-billed CuckooCuculidae62017+39%1969
Mississippi KiteAccipitridae52017+60%1970
Grasshopper SparrowPasserellidae52017+0%1969
Blue GrosbeakCardinalidae52017-65%1969
Tufted TitmouseParidae52017+75%1971
House FinchFringillidae52017+200%2004
Green HeronArdeidae42017+100%1976
KilldeerCharadriidae42017-32%1969
Orchard OrioleIcteridae31978-40%1969

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