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BBS Route · Texas · BCR 25

Union Hill Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 95 species recorded across 21 survey years, still active.

95Species Recorded
21Years Surveyed
1994–2024Span
3Observers

Bird Species Found on Texas Union Hill

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

Species recorded on the Union Hill route.
History
Northern CardinalCardinalidae592024-51%1997
American CrowCorvidae532024-17%1997
Carolina WrenTroglodytidae412024+2%1997
Pine WarblerParulidae402024+9%1997
White IbisThreskiornithidae402019n/an/a
Northern MockingbirdMimidae292024-45%1997
Blue JayCorvidae282024-34%1997
Tufted TitmouseParidae272024-14%1997
Carolina ChickadeeParidae262024+132%1997
White-eyed VireoVireonidae212024-5%1997
Yellow-billed CuckooCuculidae202024-32%1997
European StarlingSturnidae192024+96%1997
Mourning DoveColumbidae172024-37%1997
Red-eyed VireoVireonidae142024+15%1997
House SparrowPasseridae132024+94%1997
White-winged DoveColumbidae132024+350%2013
Rock PigeonColumbidae122012+333%1995
Red-bellied WoodpeckerPicidae122024-20%1997
Purple MartinHirundinidae122024+7%1997
Hooded WarblerParulidae122024+119%1997
Orchard OrioleIcteridae92024+30%1997
Eastern BluebirdTurdidae92024-9%1997
Common GrackleIcteridae82024-25%1997
Downy WoodpeckerPicidae72024+23%1997
Brown-headed CowbirdIcteridae72024-10%1997
Painted BuntingCardinalidae72024+44%1997
Indigo BuntingCardinalidae72024+39%1999
KilldeerCharadriidae62022+33%2011
Black VultureCathartidae62024+360%1998
Blue-gray GnatcatcherPolioptilidae62024+114%1997
Eastern KingbirdTyrannidae52024-31%1997
Summer TanagerCardinalidae52024-12%1997
Cliff SwallowHirundinidae52024+63%2007
Turkey VultureCathartidae42024-73%1997
Barn SwallowHirundinidae42024-74%1997
Barred OwlStrigidae42021+133%2008
Loggerhead ShrikeLaniidae32007+100%1995
Yellow-breasted ChatIcteriidae32024-76%1997
Red-shouldered HawkAccipitridae32024+67%1998
Scissor-tailed FlycatcherTyrannidae32024+35%1998

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