BirdAnalyst
BBS Route · Texas · BCR 21

Miller Grove Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 94 species recorded across 48 survey years, still active.

94Species 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 →
1967–2025Span
6Observers

Bird Species Found on Texas Miller Grove

Top 40 of 94 species by most recent count. Each links to its species trend.

Species recorded on the Miller Grove 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+284%1970
Northern MockingbirdMimidae402025-47%1970
American CrowCorvidae352025-25%1970
Cliff SwallowHirundinidae262025-70%2011
Barn SwallowHirundinidae222025+98%1970
Eastern PhoebeTyrannidae22202515×1972
Carolina WrenTroglodytidae19202511×1971
Mourning DoveColumbidae182025-72%1970
Red-winged BlackbirdIcteridae172025-56%1970
House SparrowPasseridae172025-92%1970
DickcisselCardinalidae142025-49%1970
Tufted TitmouseParidae142025+875%1970
Carolina ChickadeeParidae132025+153%1970
Brown-headed CowbirdIcteridae112025+39%1970
Eastern BluebirdTurdidae112025+213%1971
Eurasian Collared-DoveColumbidae102025+114%2007
Painted BuntingCardinalidae92025+81%1971
Western Cattle-EgretArdeidae92024-9%1980
Red-bellied WoodpeckerPicidae82025-52%1970
Scissor-tailed FlycatcherTyrannidae82025-74%1970
Blue JayCorvidae82025+68%1970
Western MeadowlarkIcteridae81987n/an/a
Eastern MeadowlarkIcteridae62025-90%1970
Black VultureCathartidae62025+600%1978
Western KingbirdTyrannidae62025+400%1984
Chimney SwiftApodidae52025-69%1970
Common GrackleIcteridae52025-80%1971
White-eyed VireoVireonidae52025+250%1999
Turkey VultureCathartidae42025-47%1970
Eastern KingbirdTyrannidae42023+11%1970
European StarlingSturnidae42025-53%1970
Purple MartinHirundinidae42023+225%1971
Indigo BuntingCardinalidae42025+100%1980
Blue-gray GnatcatcherPolioptilidae42025+75%1995
Crested CaracaraFalconidae42014+150%2005
Yellow-billed CuckooCuculidae32025-76%1970
Lark SparrowPasserellidae32025-76%1970
Brown ThrasherMimidae32007+43%1971
Wood DuckAnatidae32003+0%1995
Great Horned OwlStrigidae22013-29%1971

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