BirdAnalyst
BBS Route · Texas · BCR 21

Oak Grove 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 90 species recorded across 22 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 →
22Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2003–2025Span
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 CardinalCardinalidae1122025+8%2005
White IbisThreskiornithidae62202512×2021
Carolina WrenTroglodytidae552025-20%2005
Northern MockingbirdMimidae522025+31%2005
Painted BuntingCardinalidae512025-23%2005
Cliff SwallowHirundinidae482025+5%2005
Mourning DoveColumbidae422025+29%2005
White-eyed VireoVireonidae282025+12%2005
Carolina ChickadeeParidae242025-21%2005
Black VultureCathartidae232025+90%2005
American CrowCorvidae212025-48%2005
Western Cattle-EgretArdeidae192025-57%2006
House SparrowPasseridae162025-46%2005
Eastern MeadowlarkIcteridae152025+19%2005
Turkey VultureCathartidae142025+56%2005
Brown-headed CowbirdIcteridae142025+41%2005
Tufted TitmouseParidae142025-44%2005
Eastern BluebirdTurdidae122025+17%2005
Yellow-billed CuckooCuculidae102025-22%2005
Red-bellied WoodpeckerPicidae102025-52%2005
Blue JayCorvidae102025+33%2005
Barn SwallowHirundinidae92025-66%2005
Scissor-tailed FlycatcherTyrannidae82025-65%2005
Common GrackleIcteridae82025+0%2005
Inca DoveColumbidae82025+250%2006
Summer TanagerCardinalidae72025+6%2005
Eastern PhoebeTyrannidae62025-21%2005
Little Blue HeronArdeidae52025+38%2005
Lark SparrowPasserellidae52025+100%2005
Rock PigeonColumbidae52011-58%2004
Mississippi KiteAccipitridae52025+150%2010
Red-shouldered HawkAccipitridae42025-33%2005
Downy WoodpeckerPicidae42025-33%2005
Purple MartinHirundinidae42025-78%2005
Great Blue HeronArdeidae42025-14%2006
Chimney SwiftApodidae32022+29%2005
Great Crested FlycatcherTyrannidae32023-29%2005
Blue GrosbeakCardinalidae32025-14%2006
DickcisselCardinalidae32025+117%2006
Black-crested TitmouseParidae32003n/an/a

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