BirdAnalyst
BBS Route · Oklahoma · BCR 25

Canadian Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 109 species recorded across 37 survey years, still active.

109Species 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 →
37Years 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
8Observers

Bird Species Found on Oklahoma Canadian

Top 40 of 109 species by most recent count. Each links to its species trend.

Species recorded on the Canadian 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 SwallowHirundinidae228201765×1995
DickcisselCardinalidae402017+89%1969
American CrowCorvidae392017-51%1969
Northern MockingbirdMimidae352017-57%1969
Eastern MeadowlarkIcteridae332017-80%1969
Scissor-tailed FlycatcherTyrannidae212017-52%1969
Eastern BluebirdTurdidae212017-57%1969
Turkey VultureCathartidae202017+418%1969
European StarlingSturnidae182017+6%1969
Brown-headed CowbirdIcteridae182017-83%1969
Mourning DoveColumbidae132017-94%1969
Barn SwallowHirundinidae132017+80%1969
Indigo BuntingCardinalidae122017-15%1969
Cedar WaxwingBombycillidae122008n/an/a
Northern CardinalCardinalidae112017-64%1969
Red-winged BlackbirdIcteridae102017-71%1969
Purple MartinHirundinidae102017+671%1969
KilldeerCharadriidae92017+0%1969
Eastern PhoebeTyrannidae92017+11%1969
Blue JayCorvidae82017+50%1969
Common GrackleIcteridae72017-11%1969
American RobinTurdidae72017-32%1969
Black VultureCathartidae72017+64%2005
Painted BuntingCardinalidae62017-26%1969
Blue-gray GnatcatcherPolioptilidae62017+157%1970
Great Crested FlycatcherTyrannidae52015-42%1969
Red-tailed HawkAccipitridae52017-42%1970
Fish CrowCorvidae52017+25%1995
Field SparrowPasserellidae42015-74%1969
Little Blue HeronArdeidae42003-61%1970
Northern Rough-winged SwallowHirundinidae42009+0%1976
Great EgretArdeidae42017+175%1977
Warbling VireoVireonidae42015+0%2007
Northern BobwhiteOdontophoridae32017-93%1969
Red-headed WoodpeckerPicidae32015-40%1969
Chimney SwiftApodidae32015+13%1969
Ruby-throated HummingbirdTrochilidae32017-33%1969
Grasshopper SparrowPasserellidae32005+150%1968
House SparrowPasseridae32017-81%1969
Tufted TitmouseParidae32017+79%1969

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