BirdAnalyst
BBS Route · Texas · BCR 21

Oak Grove Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 108 species recorded across 26 survey years, no longer active.

108Species 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 →
26Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–1999Span
8Observers

Bird Species Found on Texas Oak Grove

Top 40 of 108 species by most recent count. Each links to its species trend.

Species recorded on the Oak 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 CardinalCardinalidae1331999+56%1969
Mourning DoveColumbidae841999+36%1969
Black-crested TitmouseParidae771988n/an/a
American CrowCorvidae751999+19%1969
Northern MockingbirdMimidae681999-1%1969
Western Cattle-EgretArdeidae581999-11%1977
Barn SwallowHirundinidae55199915×1972
Carolina WrenTroglodytidae461999+228%1969
Scissor-tailed FlycatcherTyrannidae291999-33%1969
Tufted TitmouseParidae281999+42%1969
Eastern MeadowlarkIcteridae261999-77%1969
Painted BuntingCardinalidae241999-50%1969
Turkey VultureCathartidae171999+30%1969
Purple MartinHirundinidae151999-15%1969
House SparrowPasseridae141999-64%1969
White-eyed VireoVireonidae121999+27%1969
Yellow-billed CuckooCuculidae111999-64%1969
Blue JayCorvidae111999+238%1969
Brown-headed CowbirdIcteridae111999-50%1969
Red-bellied WoodpeckerPicidae81999+85%1969
Common GrackleIcteridae81999-9%1969
Great-tailed GrackleIcteridae81988+180%1969
Pine WarblerParulidae71999+220%1978
Carolina ChickadeeParidae71999-18%1969
Inca DoveColumbidae71999+0%1995
Summer TanagerCardinalidae61999+22%1969
Little Blue HeronArdeidae51999+36%1972
White IbisThreskiornithidae51987n/an/a
Green HeronArdeidae41999+0%1969
Lark SparrowPasserellidae41999-18%1969
White-faced IbisThreskiornithidae41987n/an/a
KilldeerCharadriidae31996+0%1969
Downy WoodpeckerPicidae31999+0%1969
Eastern KingbirdTyrannidae31999+0%1969
DickcisselCardinalidae31995-59%1969
Red-eyed VireoVireonidae31999+125%1969
Rock PigeonColumbidae31989+333%1972
Great Crested FlycatcherTyrannidae31999-50%1971
Field SparrowPasserellidae31986+200%1969
Indigo BuntingCardinalidae31996+0%1976

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