BirdAnalyst
BBS Route · Texas · BCR 21

Osage Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 48 survey years, still active.

95Species 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 →
48Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2025Span
8Observers

Bird Species Found on Texas Osage

Top 40 of 95 species by most recent count. Each links to its species trend.

Species recorded on the Osage 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
Rock PigeonColumbidae157200969×1988
Northern CardinalCardinalidae752025-7%1970
Mourning DoveColumbidae472025-28%1970
American CrowCorvidae432025+522%1970
Painted BuntingCardinalidae292025-47%1970
Tufted TitmouseParidae272006+314%1972
White-winged DoveColumbidae262021+767%2014
Northern MockingbirdMimidae222025-69%1970
Cliff SwallowHirundinidae202025+675%1974
Barn SwallowHirundinidae192025+258%1980
Bewick's WrenTroglodytidae172025+80%1970
Brown-headed CowbirdIcteridae162025-74%1970
Black-crested TitmouseParidae152025+37%1972
White-eyed VireoVireonidae152025+775%1975
Black VultureCathartidae132025+233%1972
Carolina WrenTroglodytidae122025+780%1970
Yellow-billed CuckooCuculidae112025-22%1970
Lark SparrowPasserellidae112025-91%1970
Northern Rough-winged SwallowHirundinidae112003+933%1988
Eurasian Collared-DoveColumbidae102025+92%2007
Red-bellied WoodpeckerPicidae92025+320%1972
Turkey VultureCathartidae82025-73%1970
Carolina ChickadeeParidae82025-68%1970
Eastern BluebirdTurdidae82025+325%1974
Purple MartinHirundinidae52025+400%1980
European StarlingSturnidae52025+100%1978
Scissor-tailed FlycatcherTyrannidae42025-72%1970
Field SparrowPasserellidae42009+6%1971
DickcisselCardinalidae42025-18%1970
Western KingbirdTyrannidae42025+20%1980
Red-headed WoodpeckerPicidae31970+200%1968
Great Crested FlycatcherTyrannidae32025+25%1970
Red-winged BlackbirdIcteridae32025-18%1972
Summer TanagerCardinalidae32025+217%1970
Greater RoadrunnerCuculidae32023-29%1972
Common GrackleIcteridae32025-71%1983
Red-shouldered HawkAccipitridae32025+133%2001
Northern BobwhiteOdontophoridae22024-95%1970
Red-tailed HawkAccipitridae22025+75%1974
Common NighthawkCaprimulgidae22025-47%1971

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