BirdAnalyst
BBS Route · Texas · BCR 18

Gruver Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 53 species recorded across 13 survey years, still active.

53Species 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 →
13Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2024Span
8Observers

Bird Species Found on Texas Gruver

Top 40 of 53 species by most recent count. Each links to its species trend.

Species recorded on the Gruver 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
Red-winged BlackbirdIcteridae2102024+30%2006
Mourning DoveColumbidae1492024+86%2006
Horned LarkAlaudidae1332024+20%2006
Western MeadowlarkIcteridae682024-16%2006
House SparrowPasseridae332024-16%2006
DickcisselCardinalidae282024+53%2007
Cassin's SparrowPasserellidae272024+133%2006
Great-tailed GrackleIcteridae262024+0%2008
Grasshopper SparrowPasserellidae252024-14%2006
Eurasian Collared-DoveColumbidae172024+190%2010
Loggerhead ShrikeLaniidae15201615×1994
White-faced IbisThreskiornithidae152007n/an/a
European StarlingSturnidae132023-33%2006
Barn SwallowHirundinidae112024-44%2006
KilldeerCharadriidae102024-61%2006
Lark SparrowPasserellidae92024+46%2006
Brown-headed CowbirdIcteridae72021+163%2008
Common NighthawkCaprimulgidae62024-18%2006
Common GrackleIcteridae62024+50%2006
Blue-winged TealAnatidae62019+500%2005
Northern BobwhiteOdontophoridae62024-35%2008
Western KingbirdTyrannidae52024-11%2006
Rock PigeonColumbidae52024+13%2008
Northern HarrierAccipitridae42016+100%2005
Eastern MeadowlarkIcteridae42019+50%2007
Cliff SwallowHirundinidae32024-61%2009
American RobinTurdidae32023+200%2010
Lark BuntingPasserellidae22022+27%2006
Scaled QuailOdontophoridae22016-43%2006
Yellow-headed BlackbirdIcteridae22023+100%2005
Northern MockingbirdMimidae22023-11%2008
Upland SandpiperScolopacidae22010n/an/a
Ring-necked PheasantPhasianidae12024-53%2006
Turkey VultureCathartidae12023+0%1994
Swainson's HawkAccipitridae12024+0%2006
Burrowing OwlStrigidae12021+0%2010
Scissor-tailed FlycatcherTyrannidae12024+25%2019
Eastern KingbirdTyrannidae12021+0%1994
House FinchFringillidae12023+100%2010
Bewick's WrenTroglodytidae11994n/an/a

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