BirdAnalyst
BBS Route · Texas · BCR 25

Bon Wier Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 86 species recorded across 23 survey years, still active.

86Species 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 →
23Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1996–2025Span
1Observers

Bird Species Found on Texas Bon Wier

Top 40 of 86 species by most recent count. Each links to its species trend.

Species recorded on the Bon Wier 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 CardinalCardinalidae732025-18%1998
Wood StorkCiconiidae512016n/an/a
White-eyed VireoVireonidae452025-33%1998
American CrowCorvidae442025-43%1998
Carolina WrenTroglodytidae362025-33%1998
Hooded WarblerParulidae352025-1%1998
Tufted TitmouseParidae192025-16%1998
Northern MockingbirdMimidae182025-23%1998
Red-eyed VireoVireonidae152025-14%1998
Red-bellied WoodpeckerPicidae142025+42%1998
Blue JayCorvidae142025-55%1998
Pine WarblerParulidae142025-49%1998
Blue-gray GnatcatcherPolioptilidae122025+42%1998
Western Cattle-EgretArdeidae102025+26%1998
Brown-headed CowbirdIcteridae102025-63%1998
Mourning DoveColumbidae92025+7%1998
Indigo BuntingCardinalidae82025-70%1998
Turkey VultureCathartidae72025-6%2000
Yellow-billed CuckooCuculidae62025+33%1998
Summer TanagerCardinalidae62025-24%1998
Yellow-breasted ChatIcteriidae62025-68%1998
European StarlingSturnidae52025-73%2002
Barn SwallowHirundinidae42025-79%1998
Yellow-throated VireoVireonidae42025-21%1998
Carolina ChickadeeParidae42025-47%1998
Little Blue HeronArdeidae42025+0%1999
Red-shouldered HawkAccipitridae32025+13%1998
Pileated WoodpeckerPicidae32025+0%1998
Chuck-will's-widowCaprimulgidae32007+250%2005
Acadian FlycatcherTyrannidae32024-79%1998
Kentucky WarblerParulidae32024-80%1998
Wood ThrushTurdidae32025-35%1998
Cliff SwallowHirundinidae32024+200%2004
Yellow-crowned Night HeronArdeidae22025+50%1999
Red-headed WoodpeckerPicidae22025+0%2000
Great Crested FlycatcherTyrannidae22025-31%1998
Orchard OrioleIcteridae22025-74%1998
Common GrackleIcteridae22025-44%1998
Blue GrosbeakCardinalidae22024-50%1998
Painted BuntingCardinalidae22024-64%1998

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