BirdAnalyst
Species · BCR 37 · BBS 2025 Release · 1966–2024

American Barn Owl In Gulf Coastal Prairie

All regionsGulf Coastal PrairieGeneralists

American Barn Owl in Gulf Coastal Prairie has declined: down 41% on the route-weighted index since 1984.

-41%Since 1984TrendPercent 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 →
12Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
16YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for American Barn Owl in Gulf Coastal Prairie. See the full index history below.

Routes In Gulf Coastal Prairie

Routes recording American Barn Owl in Gulf Coastal Prairie.
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 →
WinnieTEXAS22017
MamouLOUISIANA11980
WoodlawnLOUISIANA12017
Lag AtascosaTEXAS12008
VanderbiltTEXAS11974
DanburyTEXAS11999
KatyTEXAS11984
Oyster LakeTEXAS12000
San PedroTEXAS11998
Bayside 2TEXAS11998
L. Atascosa NwrTEXAS12003
Goliad PrairieTEXAS12009

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.