BirdAnalyst
BBS Route · Texas · BCR 36

Progreso Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 97 species recorded across 16 survey years, no longer active.

97Species 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 →
16Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1994–2011Span
3Observers

Bird Species Found on Texas Progreso

Top 40 of 97 species by most recent count. Each links to its species trend.

Species recorded on the Progreso 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 BlackbirdIcteridae6382011+119%1996
Great-tailed GrackleIcteridae5482011+82%1996
Barn SwallowHirundinidae2352011+55%1997
House SparrowPasseridae1442011+158%1996
Western Cattle-EgretArdeidae127201122×2003
Mourning DoveColumbidae962011+104%1996
Bronzed CowbirdIcteridae792011+104%1996
Northern MockingbirdMimidae522011+236%1996
Rock PigeonColumbidae422011+26%1996
Neotropic CormorantPhalacrocoracidae302009+313%1999
Common NighthawkCaprimulgidae292011+370%1996
Laughing GullLaridae282011+780%1997
Scissor-tailed FlycatcherTyrannidae272011+218%1996
Black-bellied Whistling-DuckAnatidae262011+107%1997
Fulvous Whistling-DuckAnatidae242008+405%1998
Eurasian Collared-DoveColumbidae232011+440%2004
European StarlingSturnidae182011+680%1996
Cave SwallowHirundinidae152008+440%1999
Brown-headed CowbirdIcteridae142011+21%1997
Turkey VultureCathartidae132011+425%1997
Purple MartinHirundinidae132007+550%2002
Lark SparrowPasserellidae122011+588%1996
White-faced IbisThreskiornithidae112009+617%1997
American CootRallidae102006+400%1995
Western KingbirdTyrannidae72011+24%2006
Lesser NighthawkCaprimulgidae62010+167%2004
Crested CaracaraFalconidae62008+500%2003
Common GallinuleRallidae62006n/an/a
KilldeerCharadriidae52011+33%1996
Golden-fronted WoodpeckerPicidae52011+130%1997
Great KiskadeeTyrannidae52011+100%1997
Grasshopper SparrowPasserellidae52005n/an/a
White-winged DoveColumbidae42011-41%1996
Inca DoveColumbidae42009+36%1997
Eastern MeadowlarkIcteridae42011-13%1996
Brown-crested FlycatcherTyrannidae42006+450%2002
Black-necked StiltRecurvirostridae32011+48%1996
Northern BobwhiteOdontophoridae32010-70%1996
Cliff SwallowHirundinidae32010-50%1997
Mottled DuckAnatidae32011-9%1998

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