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BBS Route · Texas · BCR 18

Texline Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 67 species recorded across 44 survey years, still active.

67Species 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 →
44Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2025Span
4Observers

Bird Species Found on Texas Texline

Top 40 of 67 species by most recent count. Each links to its species trend.

Species recorded on the Texline 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
Western MeadowlarkIcteridae1822025+4%1977
Cassin's SparrowPasserellidae1362025+73%1977
Mourning DoveColumbidae1012025+34%1977
Horned LarkAlaudidae612025-49%1977
Red-winged BlackbirdIcteridae442025-23%1977
Common GrackleIcteridae362025+431%1977
Western KingbirdTyrannidae302025-5%1977
Great-tailed GrackleIcteridae282025+479%1994
Lark BuntingPasserellidae252025+88%1978
House SparrowPasseridae222025-84%1977
DickcisselCardinalidae202025+833%1987
Grasshopper SparrowPasserellidae182025+363%1978
Ring-necked PheasantPhasianidae142025+38%1977
Eurasian Collared-DoveColumbidae132025+354%2006
Chihuahuan RavenCorvidae122025-49%1977
Lark SparrowPasserellidae122025+192%1980
Long-billed CurlewScolopacidae112025-75%1977
Northern MockingbirdMimidae112025+21%1977
Chihuahuan MeadowlarkIcteridae102025+350%2022
Burrowing OwlStrigidae82025-18%1977
European StarlingSturnidae72024-13%1977
Barn SwallowHirundinidae62025-52%1977
Northern BobwhiteOdontophoridae52016+17%1977
Blue GrosbeakCardinalidae52025+300%1978
Blue-winged TealAnatidae51999+75%1982
American CrowCorvidae52007+250%1996
Bullock's OrioleIcteridae42024+100%1978
American RobinTurdidae42025+200%1983
American AvocetRecurvirostridae41999+40%1991
Scaled QuailOdontophoridae32023-60%1977
Common NighthawkCaprimulgidae32025-58%1977
MallardAnatidae32022-42%1980
Cliff SwallowHirundinidae32025+100%1985
KilldeerCharadriidae22025-62%1977
Mountain PloverCharadriidae22002+167%1978
Rock PigeonColumbidae22023+19%1984
Red-tailed HawkAccipitridae22021-43%1978
Say's PhoebeTyrannidae22023+100%1980
Cassin's KingbirdTyrannidae22011+83%1998
Northern HarrierAccipitridae22021+50%1991

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