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BBS Route · Texas · BCR 21

Henrietta Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 85 species recorded across 38 survey years, still active.

85Species 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 →
38Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2022Span
7Observers

Bird Species Found on Texas Henrietta

Top 40 of 85 species by most recent count. Each links to its species trend.

Species recorded on the Henrietta 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
Common GrackleIcteridae842022+910%1973
Northern MockingbirdMimidae642022-16%1970
Purple MartinHirundinidae58202215×1982
Eastern MeadowlarkIcteridae552022-43%1973
Cliff SwallowHirundinidae542022+85%1973
Scissor-tailed FlycatcherTyrannidae492022-7%1970
Great-tailed GrackleIcteridae492022+764%1975
Mourning DoveColumbidae472022+11%1970
Red-winged BlackbirdIcteridae432022+506%1970
DickcisselCardinalidae432022+51%1975
Turkey VultureCathartidae412022+308%1971
Northern Rough-winged SwallowHirundinidae41200595×1981
House SparrowPasseridae312022-41%1973
Western Cattle-EgretArdeidae292022+221%1992
Great EgretArdeidae252022+733%1992
Canada GooseAnatidae252022-62%2008
Eurasian Collared-DoveColumbidae252022+147%2012
Northern CardinalCardinalidae232022+325%1970
European StarlingSturnidae202022+550%1972
Barn SwallowHirundinidae192022+533%1972
Snowy EgretArdeidae192022-7%2008
Painted BuntingCardinalidae172022+100%1975
Common NighthawkCaprimulgidae162022-41%1970
Black VultureCathartidae142022+340%2004
Northern BobwhiteOdontophoridae112022-76%1970
Brown-headed CowbirdIcteridae112022+17%1971
Ladder-backed WoodpeckerPicidae102022-7%1972
Yellow-billed CuckooCuculidae92022-37%1970
Grasshopper SparrowPasserellidae92022+0%1986
Golden-fronted WoodpeckerPicidae82022+140%1975
Wild TurkeyPhasianidae72008+250%2005
Great Blue HeronArdeidae62022+17%1970
Bullock's OrioleIcteridae62022-70%1972
Cassin's SparrowPasserellidae52022-61%1976
Lark SparrowPasserellidae42022-50%1973
Red-tailed HawkAccipitridae42022+0%1979
White-winged DoveColumbidae42022+0%2015
KilldeerCharadriidae32022-62%1970
Western KingbirdTyrannidae32022+0%1972
Western MeadowlarkIcteridae32018-98%1970

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