BirdAnalyst
BBS Route · Texas · BCR 25

Chandler Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 99 species recorded across 32 survey years, no longer active.

99Species 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 →
32Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1968–2004Span
5Observers

Bird Species Found on Texas Chandler

Top 40 of 99 species by most recent count. Each links to its species trend.

Species recorded on the Chandler 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
Barn SwallowHirundinidae158200432×1971
Northern CardinalCardinalidae992004+135%1970
Common GrackleIcteridae902004+667%1971
Western Cattle-EgretArdeidae892004+514%1977
Cliff SwallowHirundinidae812004+25%2001
Northern MockingbirdMimidae772004+33%1970
American CrowCorvidae712004+88%1970
Purple MartinHirundinidae512004+633%1972
Carolina WrenTroglodytidae492004+387%1970
Scissor-tailed FlycatcherTyrannidae442004+38%1970
Mourning DoveColumbidae422004+70%1970
Eastern MeadowlarkIcteridae412004-33%1970
European StarlingSturnidae402004+182%1970
Blue JayCorvidae312004+61%1970
Tufted TitmouseParidae262004+185%1970
Lark SparrowPasserellidae252004+56%1970
Painted BuntingCardinalidae242004+308%1972
Chimney SwiftApodidae232004+19%1970
Brown-headed CowbirdIcteridae232004-50%1970
Carolina ChickadeeParidae202004+250%1970
Red-bellied WoodpeckerPicidae162004+61%1970
Great Crested FlycatcherTyrannidae142003-26%1970
KilldeerCharadriidae132004+45%1970
Northern Rough-winged SwallowHirundinidae132002+50%1970
Eastern BluebirdTurdidae132004+19%1970
Black VultureCathartidae122004+214%1977
Summer TanagerCardinalidae102004+54%1971
Red-winged BlackbirdIcteridae92004-46%1970
Snowy EgretArdeidae92004+171%2002
White-eyed VireoVireonidae82004+89%1970
Green HeronArdeidae72004+33%1970
House SparrowPasseridae72004-40%1970
American CootRallidae71973n/an/a
Indigo BuntingCardinalidae62004-30%1970
DickcisselCardinalidae62004-15%1970
MallardAnatidae62004-53%1994
Great Blue HeronArdeidae52004+333%1971
Eastern PhoebeTyrannidae52004+150%1971
Blue GrosbeakCardinalidae52002-29%1970
Turkey VultureCathartidae42004+288%1970

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