BirdAnalyst
BBS Route · Texas · BCR 19

Shields 2 Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 91 species recorded across 20 survey years, still active.

91Species 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 →
20Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
2004–2025Span
2Observers

Bird Species Found on Texas Shields 2

Top 40 of 91 species by most recent count. Each links to its species trend.

Species recorded on the Shields 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
Mourning DoveColumbidae762025-24%2006
Northern CardinalCardinalidae612025+34%2006
Painted BuntingCardinalidae552025+20%2006
Northern BobwhiteOdontophoridae342025-68%2006
Black-crested TitmouseParidae312025+546%2006
Northern MockingbirdMimidae302025-68%2006
Bewick's WrenTroglodytidae302025-11%2006
Brown-headed CowbirdIcteridae222025-38%2006
Scissor-tailed FlycatcherTyrannidae212025-62%2006
Cassin's SparrowPasserellidae202025+3%2006
Turkey VultureCathartidae162025-65%2006
Lark SparrowPasserellidae142025-48%2006
Cliff SwallowHirundinidae142025-29%2006
Ash-throated FlycatcherTyrannidae132025+24%2006
Common NighthawkCaprimulgidae112025-52%2006
Yellow-billed CuckooCuculidae92025-35%2006
Common GrackleIcteridae82025-76%2006
Barn SwallowHirundinidae82025-47%2006
Bell's VireoVireonidae82025+288%2006
Eastern BluebirdTurdidae82025-30%2006
Greater RoadrunnerCuculidae72025+36%2006
Red-winged BlackbirdIcteridae62025-19%2006
Chihuahuan RavenCorvidae62025+175%2010
American CrowCorvidae62022+300%2012
Eurasian Collared-DoveColumbidae62025+140%2011
House SparrowPasseridae52025-22%2006
Carolina ChickadeeParidae52025+39%2006
Summer TanagerCardinalidae52025+400%2009
VerdinRemizidae52019+56%2008
KilldeerCharadriidae42022-50%2006
Wild TurkeyPhasianidae42023-56%2006
Black VultureCathartidae42025+125%2007
Ladder-backed WoodpeckerPicidae42025+20%2006
Eastern PhoebeTyrannidae42025-74%2006
Black-throated SparrowPasserellidae42016+50%2007
Blue GrosbeakCardinalidae42025+23%2006
White-eyed VireoVireonidae42025+100%2008
European StarlingSturnidae42019+150%2012
Great-tailed GrackleIcteridae42017+100%2006
House FinchFringillidae42025+133%2012

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