BirdAnalyst
BBS Route · Texas · BCR 21

Oak Grove 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 90 species recorded across 21 survey years, still active.

90Species 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 →
21Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2003–2024Span
1Observers

Bird Species Found on Texas Oak Grove 2

Top 40 of 90 species by most recent count. Each links to its species trend.

Species recorded on the Oak Grove 2 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 CardinalCardinalidae1132024+9%2005
Cliff SwallowHirundinidae642024-16%2005
Carolina WrenTroglodytidae532024-25%2005
Northern MockingbirdMimidae502024+22%2005
Mourning DoveColumbidae442024+12%2005
Black VultureCathartidae422024+69%2005
Painted BuntingCardinalidae392024-32%2005
American CrowCorvidae372024-51%2005
White-eyed VireoVireonidae232024+5%2005
Carolina ChickadeeParidae222024-10%2005
Western Cattle-EgretArdeidae182024-18%2006
Brown-headed CowbirdIcteridae182024+10%2005
Tufted TitmouseParidae172024-43%2005
Turkey VultureCathartidae162024+58%2005
Yellow-billed CuckooCuculidae122024+2%2005
European StarlingSturnidae122023-20%2005
Blue JayCorvidae102024+52%2005
Lark SparrowPasserellidae102024+111%2005
Red-bellied WoodpeckerPicidae92024-65%2005
DickcisselCardinalidae92021+117%2006
White IbisThreskiornithidae92022+80%2021
Downy WoodpeckerPicidae82024-19%2005
Eastern PhoebeTyrannidae72024-37%2005
Eastern MeadowlarkIcteridae72024-19%2005
Barn SwallowHirundinidae72024-31%2005
Eastern BluebirdTurdidae62024-44%2005
Little Blue HeronArdeidae52023-13%2005
Scissor-tailed FlycatcherTyrannidae52024-74%2005
Summer TanagerCardinalidae52024+13%2005
Blue-gray GnatcatcherPolioptilidae52024+86%2005
Rock PigeonColumbidae52011-58%2004
Pine WarblerParulidae42024-54%2005
Indigo BuntingCardinalidae42022-13%2006
Red-shouldered HawkAccipitridae32024-33%2005
Chimney SwiftApodidae32022+29%2005
Great Crested FlycatcherTyrannidae32023-29%2005
Black-crested TitmouseParidae32003n/an/a
KilldeerCharadriidae22021+0%2005
Eastern KingbirdTyrannidae22024-56%2005
Blue GrosbeakCardinalidae22024+14%2006

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