BirdAnalyst
BBS Route · Texas · BCR 20

Adamsville Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 39 survey years, still active.

102Species 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 →
39Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1971–2024Span
6Observers

Bird Species Found on Texas Adamsville

Top 40 of 102 species by most recent count. Each links to its species trend.

Species recorded on the Adamsville 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
Northern CardinalCardinalidae652024+219%1973
Cave SwallowHirundinidae432019-13%2010
DickcisselCardinalidae362024+153%1974
Painted BuntingCardinalidae342024+376%1973
Black VultureCathartidae332024+871%1980
Cliff SwallowHirundinidae32202412×1992
Mourning DoveColumbidae212024-36%1973
Tufted TitmouseParidae161979n/an/a
Lark SparrowPasserellidae152024-64%1973
American CrowCorvidae15202420×1978
Carolina WrenTroglodytidae152024+850%1981
Northern MockingbirdMimidae112024-64%1973
Blue-gray GnatcatcherPolioptilidae102024+867%1995
Cassin's SparrowPasserellidae92024+540%1973
House SparrowPasseridae92024-84%1973
Carolina ChickadeeParidae92024-6%1984
Brown-headed CowbirdIcteridae82024-55%1973
Bewick's WrenTroglodytidae82024+253%1973
Purple MartinHirundinidae82024+33%1975
Blue GrosbeakCardinalidae72024+200%1979
Red-winged BlackbirdIcteridae62024+0%1973
Eastern BluebirdTurdidae62024-11%1976
Grasshopper SparrowPasserellidae62023-30%1980
Field SparrowPasserellidae62024+220%1974
Black-chinned HummingbirdTrochilidae62023+167%1975
Bell's VireoVireonidae62024+767%2011
Indigo BuntingCardinalidae52024+267%1977
Canyon WrenTroglodytidae52023+133%1984
Barn SwallowHirundinidae52024+25%1985
Northern BobwhiteOdontophoridae42024-79%1973
Yellow-billed CuckooCuculidae42024-5%1973
Scissor-tailed FlycatcherTyrannidae42024-60%1973
House FinchFringillidae42024+50%1994
Northern Rough-winged SwallowHirundinidae3201514×1977
Harris's HawkAccipitridae31977n/an/a
Wild TurkeyPhasianidae32024+0%1982
Great EgretArdeidae32023+200%2018
Black-bellied Whistling-DuckAnatidae32023n/an/a
Ladder-backed WoodpeckerPicidae22023+120%1976
Common NighthawkCaprimulgidae22023-72%1973

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