BirdAnalyst
BBS Route · Texas · BCR 18

Dougherty Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 93 species recorded across 22 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 →
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 →
1995–2025Span
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 LarkAlaudidae812025+407%1997
Great-tailed GrackleIcteridae612025+19%2007
House SparrowPasseridae542025-44%1997
Western KingbirdTyrannidae532025+109%1997
Red-winged BlackbirdIcteridae502025-68%1997
Mourning DoveColumbidae472025-2%1997
Western MeadowlarkIcteridae442025+52%1997
Cassin's SparrowPasserellidae312025+138%2005
White-faced IbisThreskiornithidae232025-13%2007
DickcisselCardinalidae172025+100%2006
Barn SwallowHirundinidae162025+263%1999
Grasshopper SparrowPasserellidae162025+86%2005
American CootRallidae152015+0%2007
Common NighthawkCaprimulgidae122025+160%2006
Lark SparrowPasserellidae102025+146%1999
Common GrackleIcteridae92025-82%1999
Yellow-headed BlackbirdIcteridae92022-36%2010
Swainson's HawkAccipitridae82025+8%1997
Snowy EgretArdeidae72024+600%1997
MallardAnatidae62024-39%1997
Blue GrosbeakCardinalidae62025+33%2006
Burrowing OwlStrigidae62025+47%2008
Northern BobwhiteOdontophoridae52025-56%1999
Northern MockingbirdMimidae52025+7%1999
European StarlingSturnidae52013+300%2007
Blue-winged TealAnatidae52017+144%2007
Chihuahuan RavenCorvidae52025+38%2008
American KestrelFalconidae42025+200%1997
Northern Rough-winged SwallowHirundinidae42011-43%1995
Mississippi KiteAccipitridae42022+100%2007
Reddish EgretArdeidae41997n/an/a
Cliff SwallowHirundinidae42018+33%2009
KilldeerCharadriidae32025-7%1997
Ring-necked PheasantPhasianidae32025+0%1999
Scissor-tailed FlycatcherTyrannidae32025-8%1997
Green-winged TealAnatidae32017-62%2015
Purple MartinHirundinidae32025-42%2015
Common RavenCorvidae32022+50%2013
Blue JayCorvidae22022+0%2008
Brown-headed CowbirdIcteridae22024-62%1997

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