BirdAnalyst
BBS Route · Texas · BCR 25

Morton Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 102 species recorded across 33 survey years, still active.

102Species 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 →
33Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1970–2025Span
6Observers

Bird Species Found on Texas Morton

Top 40 of 102 species by most recent count. Each links to its species trend.

Species recorded on the Morton 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
Cliff SwallowHirundinidae582025+23%2012
Northern CardinalCardinalidae552025-17%1973
Western Cattle-EgretArdeidae422025+79%1987
Tufted TitmouseParidae402025+54%1973
Northern MockingbirdMimidae352025+0%1973
Blue JayCorvidae322025-10%1973
American CrowCorvidae322025-58%1973
Carolina WrenTroglodytidae312025-24%1973
Red-eyed VireoVireonidae232025+322%1974
Purple MartinHirundinidae222025+13%1973
Pine WarblerParulidae222025+277%1975
Indigo BuntingCardinalidae212025+52%1973
Brown-headed CowbirdIcteridae192025-46%1973
White-eyed VireoVireonidae182025+0%1974
House SparrowPasseridae172012-47%1973
Mourning DoveColumbidae152025-21%1973
Carolina ChickadeeParidae142025+4%1973
Black VultureCathartidae132025+483%1973
Red-bellied WoodpeckerPicidae122025-38%1973
Summer TanagerCardinalidae112025+100%1973
Bachman's SparrowPasserellidae91977+83%1973
Eastern BluebirdTurdidae82025-64%1973
Turkey VultureCathartidae72025-71%1973
Blue GrosbeakCardinalidae72025-42%1973
Hooded WarblerParulidae72025+180%1989
White IbisThreskiornithidae72023n/an/a
White-breasted NuthatchSittidae62025+60%1976
KilldeerCharadriidae52024-25%1973
Downy WoodpeckerPicidae52024+33%1973
Barn SwallowHirundinidae52025-59%1974
Great Crested FlycatcherTyrannidae42025-60%1973
Common GrackleIcteridae42025-64%1973
Pileated WoodpeckerPicidae42024+80%1988
European StarlingSturnidae42024-89%1974
Blue-gray GnatcatcherPolioptilidae42025+144%1974
Green HeronArdeidae32024-54%1973
Scissor-tailed FlycatcherTyrannidae32025-19%1973
Eastern MeadowlarkIcteridae32025-93%1973
Orchard OrioleIcteridae32025-73%1973
Chipping SparrowPasserellidae32024-79%1973

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