BirdAnalyst
BBS Route · Texas · BCR 18

Gruver Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 53 species recorded across 14 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 →
14Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2025Span
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 BlackbirdIcteridae2862025+110%2006
Horned LarkAlaudidae1322025+34%2006
Western MeadowlarkIcteridae1292025+8%2006
Mourning DoveColumbidae1192025+142%2006
Rock PigeonColumbidae452025+300%2008
Grasshopper SparrowPasserellidae412025+48%2006
DickcisselCardinalidae392025+106%2007
House SparrowPasseridae332025+6%2006
Cassin's SparrowPasserellidae252025+181%2006
Great-tailed GrackleIcteridae222025+21%2008
KilldeerCharadriidae182025-33%2006
Western KingbirdTyrannidae162025+11%2006
Loggerhead ShrikeLaniidae15201615×1994
White-faced IbisThreskiornithidae152007n/an/a
Barn SwallowHirundinidae142025-30%2006
Eurasian Collared-DoveColumbidae122025+270%2010
Lark SparrowPasserellidae102025+115%2006
Northern BobwhiteOdontophoridae82025+0%2008
Common NighthawkCaprimulgidae72025+36%2006
European StarlingSturnidae72025-21%2006
Brown-headed CowbirdIcteridae72021+163%2008
Blue-winged TealAnatidae62019+500%2005
Scissor-tailed FlycatcherTyrannidae52025+75%2019
Northern HarrierAccipitridae42016+100%2005
Cliff SwallowHirundinidae32024-61%2009
MallardAnatidae32025-17%2007
Blue GrosbeakCardinalidae32025+200%2022
Lark BuntingPasserellidae22022+27%2006
Scaled QuailOdontophoridae22016-43%2006
Yellow-headed BlackbirdIcteridae22023+100%2005
Northern MockingbirdMimidae22023-11%2008
Upland SandpiperScolopacidae22010n/an/a
American RobinTurdidae22025+67%2021
Ring-necked PheasantPhasianidae12024-53%2006
Turkey VultureCathartidae12023+0%1994
Swainson's HawkAccipitridae12025+0%2006
Burrowing OwlStrigidae12021+0%2010
Eastern KingbirdTyrannidae12021+0%1994
Common GrackleIcteridae12025+45%2006
House FinchFringillidae12023+100%2010

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