BirdAnalyst
BBS Route · Missouri · BCR 22

Tarkio Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 20 survey years, no longer active.

94Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–1989Span
6Observers

Bird Species Found on Missouri Tarkio

Top 40 of 94 species by most recent count. Each links to its species trend.

Species recorded on the Tarkio 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
House SparrowPasseridae1401989+50%1970
Red-winged BlackbirdIcteridae821989+11%1970
American RobinTurdidae661989+64%1970
Mourning DoveColumbidae541989-6%1970
Western MeadowlarkIcteridae481989-14%1970
DickcisselCardinalidae361989-68%1970
Brown-headed CowbirdIcteridae301989-19%1970
Barn SwallowHirundinidae301989-9%1970
European StarlingSturnidae211989+75%1970
Northern BobwhiteOdontophoridae141989-75%1970
Northern CardinalCardinalidae131989+8%1970
Lark BuntingPasserellidae91969n/an/a
Blue JayCorvidae81989-29%1970
Baltimore OrioleIcteridae81989+60%1970
American GoldfinchFringillidae81989-39%1970
Eastern BluebirdTurdidae81989+163%1970
Common GrackleIcteridae71989-40%1970
Common YellowthroatParulidae71989-42%1970
Turkey VultureCathartidae61989+55%1970
Yellow-billed CuckooCuculidae61989+100%1971
Red-headed WoodpeckerPicidae61989-25%1970
Eastern KingbirdTyrannidae61989-51%1970
Indigo BuntingCardinalidae61989-50%1970
Brown ThrasherMimidae61989+20%1970
Black-capped ChickadeeParidae61988+63%1970
Wild TurkeyPhasianidae61979+500%1976
Ring-necked PheasantPhasianidae51989-59%1970
Rock PigeonColumbidae51989-63%1970
Northern House WrenTroglodytidae51989-64%1970
Tree SwallowHirundinidae51979n/an/a
KilldeerCharadriidae41989+100%1970
Northern Rough-winged SwallowHirundinidae41989+10%1970
Gray CatbirdMimidae41989-21%1970
Downy WoodpeckerPicidae31989+43%1970
Red-bellied WoodpeckerPicidae31989-46%1970
Horned LarkAlaudidae31989-77%1970
Grasshopper SparrowPasserellidae31989-88%1970
Rose-breasted GrosbeakCardinalidae31987-75%1970
Purple MartinHirundinidae31989+117%1971
Warbling VireoVireonidae31989-21%1970

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