BirdAnalyst
BBS Route · Texas · BCR 18

Rankin Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 66 species recorded across 41 survey years, still active.

66Species 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 →
41Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1967–2024Span
6Observers

Bird Species Found on Texas Rankin

Top 40 of 66 species by most recent count. Each links to its species trend.

Species recorded on the Rankin 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
Northern MockingbirdMimidae352024-70%1969
Mourning DoveColumbidae242024-20%1969
House SparrowPasseridae212024+14%1969
Western KingbirdTyrannidae152024+421%1973
Scaled QuailOdontophoridae102024-63%1969
Bullock's OrioleIcteridae102023+400%1969
Wild TurkeyPhasianidae102017+140%1978
Scissor-tailed FlycatcherTyrannidae92024+4%1969
Ash-throated FlycatcherTyrannidae92024+39%1969
Cassin's SparrowPasserellidae92024-75%1969
DickcisselCardinalidae81997-86%1987
Common NighthawkCaprimulgidae72024-20%1969
KilldeerCharadriidae62023+67%1969
Chihuahuan RavenCorvidae62021+300%2014
Red-winged BlackbirdIcteridae52017+71%1983
Curve-billed ThrasherMimidae42024-33%1972
House FinchFringillidae42024+263%1972
American KestrelFalconidae41975n/an/a
Canyon TowheePasserellidae42019-57%1988
Great-tailed GrackleIcteridae42024+118%1995
Common GrackleIcteridae42001-14%1994
Eurasian Collared-DoveColumbidae42024-14%2013
Brown-headed CowbirdIcteridae32024-90%1969
Lark SparrowPasserellidae32024-84%1969
Burrowing OwlStrigidae32024+80%1972
Purple MartinHirundinidae32018+0%1987
Great Horned OwlStrigidae31997+50%1987
Turkey VultureCathartidae22024+480%1969
Swainson's HawkAccipitridae22024-71%1969
Ladder-backed WoodpeckerPicidae22023-46%1969
Black-throated SparrowPasserellidae22024-75%1969
Northern CardinalCardinalidae22023-43%1969
PyrrhuloxiaCardinalidae22024-74%1969
Painted BuntingCardinalidae22024-85%1969
Cactus WrenTroglodytidae22024-84%1969
Bewick's WrenTroglodytidae22024+20%1975
VerdinRemizidae22024+133%1977
Harris's HawkAccipitridae22018+0%1987
MallardAnatidae22018-33%2016
Black-chinned HummingbirdTrochilidae11975+0%1967

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