BirdAnalyst
BBS Route · Texas · BCR 18

Dougherty Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 21 survey years, still active.

93Species 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 →
1995–2024Span
3Observers

Bird Species Found on Texas Dougherty

Top 40 of 93 species by most recent count. Each links to its species trend.

Species recorded on the Dougherty 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
Horned LarkAlaudidae772024+354%1997
Western KingbirdTyrannidae762024+93%1997
Mourning DoveColumbidae632024-10%1997
Western MeadowlarkIcteridae412024+47%1997
Barn SwallowHirundinidae372024+194%1999
Red-winged BlackbirdIcteridae362024-67%1997
House SparrowPasseridae282024-66%1997
Cassin's SparrowPasserellidae212024+88%2005
Lark SparrowPasserellidae182024+154%1999
American CootRallidae152015+0%2007
DickcisselCardinalidae152024+20%2006
Burrowing OwlStrigidae112024+107%2008
Grasshopper SparrowPasserellidae92024-7%2005
Yellow-headed BlackbirdIcteridae92022-36%2010
Purple MartinHirundinidae82024+29%2015
Snowy EgretArdeidae72024+600%1997
Common NighthawkCaprimulgidae72024+60%2006
MallardAnatidae62024-39%1997
Common GrackleIcteridae62024-85%1999
Northern MockingbirdMimidae62024-7%1999
European StarlingSturnidae52013+300%2007
Blue-winged TealAnatidae52017+144%2007
Great-tailed GrackleIcteridae52024-63%2007
KilldeerCharadriidae42024+0%1997
Northern BobwhiteOdontophoridae42024-32%1999
Northern Rough-winged SwallowHirundinidae42011-43%1995
Mississippi KiteAccipitridae42022+100%2007
Reddish EgretArdeidae41997n/an/a
Chihuahuan RavenCorvidae42024+0%2008
Cliff SwallowHirundinidae42018+33%2009
Eurasian Collared-DoveColumbidae32023+63%2009
Green-winged TealAnatidae32017-62%2015
Common RavenCorvidae32022+50%2013
Swainson's HawkAccipitridae22024+25%1997
Scissor-tailed FlycatcherTyrannidae22023+46%1997
Blue JayCorvidae22022+0%2008
Brown-headed CowbirdIcteridae22024-62%1997
Eastern MeadowlarkIcteridae22022-56%2006
Cactus WrenTroglodytidae21995n/an/a
American CrowCorvidae22007+50%1997

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