BirdAnalyst
BBS Route · Texas · BCR 35

Ozona Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 88 species recorded across 36 survey years, no longer active.

88Species 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 →
36Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1975–2022Span
5Observers

Bird Species Found on Texas Ozona

Top 40 of 88 species by most recent count. Each links to its species trend.

Species recorded on the Ozona 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
Turkey VultureCathartidae582022+147%1977
Bell's VireoVireonidae37202217×1978
Painted BuntingCardinalidae332022+80%1977
Ash-throated FlycatcherTyrannidae292022+305%1977
Cassin's SparrowPasserellidae272022-77%1977
Lark SparrowPasserellidae232022-14%1977
Northern CardinalCardinalidae212022+446%1977
Yellow-breasted ChatIcteriidae132022+480%1982
Northern MockingbirdMimidae112022-54%1977
Blue GrosbeakCardinalidae102022+47%1977
Loggerhead ShrikeLaniidae102021+550%2009
Common NighthawkCaprimulgidae92021-17%1977
Bullock's OrioleIcteridae92022+157%1977
Western KingbirdTyrannidae92022+320%1987
Cassin's KingbirdTyrannidae92003+80%1997
White-winged DoveColumbidae92022+833%2005
Brown-headed CowbirdIcteridae82022-34%1977
Lesser GoldfinchFringillidae82012-35%1978
Northern Rough-winged SwallowHirundinidae72014-10%2002
Orchard OrioleIcteridae62022+39%1977
House SparrowPasseridae62004+0%1978
Scissor-tailed FlycatcherTyrannidae52022+0%1977
Black VultureCathartidae52022+29%1998
Eurasian Collared-DoveColumbidae52021-56%2009
Canyon WrenTroglodytidae42005+75%2000
Mourning DoveColumbidae32022-56%1977
Greater RoadrunnerCuculidae32019+131%1977
Ladder-backed WoodpeckerPicidae32021+75%1977
Common RavenCorvidae32022-14%1978
Western MeadowlarkIcteridae32005-93%1977
Barn SwallowHirundinidae31997+8%1977
VerdinRemizidae32021+171%1982
European StarlingSturnidae32003+67%1995
Red-winged BlackbirdIcteridae32008+150%1981
Cave SwallowHirundinidae32022-39%2018
Woodhouse's Scrub-JayCorvidae32022+50%2012
Crested CaracaraFalconidae32018n/an/a
Northern BobwhiteOdontophoridae22022-92%1977
Red-tailed HawkAccipitridae22014-20%1978
Yellow-billed CuckooCuculidae22019-38%1981

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