BirdAnalyst
BBS Route · Texas · BCR 21

Mount Zion Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 17 survey years, still active.

76Species 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 →
17Years 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
4Observers

Bird Species Found on Texas Mount Zion

Top 40 of 76 species by most recent count. Each links to its species trend.

Species recorded on the Mount Zion 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
Eastern MeadowlarkIcteridae832025-64%1996
Common GrackleIcteridae752025-25%1996
Northern MockingbirdMimidae732025-27%1996
Mourning DoveColumbidae572025-37%1996
Northern BobwhiteOdontophoridae342025-36%1996
Northern CardinalCardinalidae332025-24%1996
Red-winged BlackbirdIcteridae252025-75%1996
Western Cattle-EgretArdeidae242025-60%1996
Turkey VultureCathartidae182025-51%1996
European StarlingSturnidae182025-45%1996
Barn SwallowHirundinidae172025+374%1996
Eurasian Collared-DoveColumbidae152025+67%2010
American CrowCorvidae122025-60%1996
White IbisThreskiornithidae112024+2%2004
Great-tailed GrackleIcteridae102025-49%1996
Northern Rough-winged SwallowHirundinidae101996+400%1994
Carolina WrenTroglodytidae92025+500%2010
Eastern KingbirdTyrannidae82010+86%1998
House SparrowPasseridae62025-80%1996
Blue JayCorvidae62025+62%1998
Yellow-billed CuckooCuculidae52025+186%1996
Fulvous Whistling-DuckAnatidae42024-47%1996
Black VultureCathartidae42025-48%1996
Red-bellied WoodpeckerPicidae42025+25%2003
Carolina ChickadeeParidae42025+160%1996
White-eyed VireoVireonidae42025+125%2017
Eastern BluebirdTurdidae42025+400%2017
Black-bellied Whistling-DuckAnatidae32025-74%1996
Rock PigeonColumbidae32022+50%1994
Scissor-tailed FlycatcherTyrannidae32025-86%1996
Painted BuntingCardinalidae32025+50%1996
Bank SwallowHirundinidae32010n/an/a
Mottled DuckAnatidae22021-50%1996
Great EgretArdeidae22021-67%1998
Little Blue HeronArdeidae22021-22%1996
Green HeronArdeidae22024+75%1996
Black-necked StiltRecurvirostridae22021+25%1996
Red-tailed HawkAccipitridae22025-42%1996
DickcisselCardinalidae22025-34%1996
Loggerhead ShrikeLaniidae22025-81%1996

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