BirdAnalyst
BBS Route · Texas · BCR 21

Mount Zion Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 76 species recorded across 16 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 →
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 →
1994–2024Span
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
Common GrackleIcteridae832024-43%1996
Northern MockingbirdMimidae642024-32%1996
Eastern MeadowlarkIcteridae422024-72%1996
Mourning DoveColumbidae332024-42%1996
Red-winged BlackbirdIcteridae312024-79%1996
Northern CardinalCardinalidae302024-38%1996
DickcisselCardinalidae272024-36%1996
Barn SwallowHirundinidae262024+565%1996
Turkey VultureCathartidae242024-39%1996
Northern BobwhiteOdontophoridae232024-52%1996
Black VultureCathartidae202024-44%1996
Western Cattle-EgretArdeidae152024-41%1996
American CrowCorvidae122024-66%1996
Blue JayCorvidae122024+23%1998
White IbisThreskiornithidae112024+2%2004
Yellow-billed CuckooCuculidae112024+129%1996
Carolina WrenTroglodytidae112024+400%2010
Northern Rough-winged SwallowHirundinidae101996+400%1994
Painted BuntingCardinalidae92024+90%1996
Eastern KingbirdTyrannidae82010+86%1998
Common NighthawkCaprimulgidae62022-61%1996
Great-tailed GrackleIcteridae62024+0%1996
Eastern BluebirdTurdidae62024+450%2017
European StarlingSturnidae52024-32%1996
Brown-headed CowbirdIcteridae52023-48%1996
Carolina ChickadeeParidae52024+260%1996
Eurasian Collared-DoveColumbidae52024+120%2010
Fulvous Whistling-DuckAnatidae42024-47%1996
Crested CaracaraFalconidae42024+67%1996
Red-bellied WoodpeckerPicidae42024+25%2003
House SparrowPasseridae42024-84%1996
White-eyed VireoVireonidae42024+50%2017
Rock PigeonColumbidae32022+50%1994
Scissor-tailed FlycatcherTyrannidae32024-79%1996
White-winged DoveColumbidae32016+50%2010
Bank SwallowHirundinidae32010n/an/a
Mississippi KiteAccipitridae32021n/an/a
Mottled DuckAnatidae22021-50%1996
Great EgretArdeidae22021-67%1998
Little Blue HeronArdeidae22021-22%1996

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