BirdAnalyst
BBS Route · Texas · BCR 21

Decatur Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 92 species recorded across 20 survey years, still active.

92Species 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 →
1995–2024Span
3Observers

Bird Species Found on Texas Decatur

Top 40 of 92 species by most recent count. Each links to its species trend.

Species recorded on the Decatur 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 CardinalCardinalidae1142024-40%1997
Cave SwallowHirundinidae702019+250%2018
Painted BuntingCardinalidae542024-35%1997
American CrowCorvidae332024-30%1997
House SparrowPasseridae262024+61%1997
Mourning DoveColumbidae252024-26%1997
Brown-headed CowbirdIcteridae242024-77%1997
Carolina WrenTroglodytidae232024+14%1997
Purple MartinHirundinidae212024+100%1997
White-eyed VireoVireonidae202024+38%1998
Northern MockingbirdMimidae192024-67%1997
Blue-gray GnatcatcherPolioptilidae182024+200%1997
Turkey VultureCathartidae172024-40%1997
Scissor-tailed FlycatcherTyrannidae152024-30%1997
Carolina ChickadeeParidae132024-70%1997
Barn SwallowHirundinidae112024-30%1998
Eastern MeadowlarkIcteridae102024-81%1997
Summer TanagerCardinalidae92024+400%1999
Red-bellied WoodpeckerPicidae82024-21%1997
Bewick's WrenTroglodytidae82024-67%1997
Yellow-billed CuckooCuculidae72024-57%1997
Eastern PhoebeTyrannidae72024-65%1997
Blue GrosbeakCardinalidae62024-10%1997
DickcisselCardinalidae62024-72%1998
Eurasian Collared-DoveColumbidae62024+167%2014
Red-shouldered HawkAccipitridae52024+0%1997
Black VultureCathartidae42024-42%1999
Red-tailed HawkAccipitridae42021+40%1997
Common GrackleIcteridae42010-47%1997
Eastern BluebirdTurdidae42021-44%1997
Inca DoveColumbidae42024+100%2015
Yellow-throated VireoVireonidae42017n/an/a
Eastern Wood-PeweeTyrannidae32024+0%1998
Field SparrowPasserellidae31999-42%1996
Indigo BuntingCardinalidae32024-64%1997
Mississippi KiteAccipitridae32021+50%1999
Downy WoodpeckerPicidae32024-40%1998
Yellow-crowned Night HeronArdeidae31999n/an/a
Northern ParulaParulidae32024n/an/a
Great EgretArdeidae22024-50%2001

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