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Species · Oklahoma · BBS 2025 Release · 1966–2024

Brown Thrasher Population Trend in Oklahoma

All statesGeneralists

Brown Thrasher in Oklahoma has fallen sharply: down 67% on the route-weighted index since 1969.

-67%Since 1969
68Routes In State
57Years

Notable Brown Thrasher Trends in Oklahoma

long arc declinecomputed index

Brown Thrasher has fallen sharply in Oklahoma: down 67% on the route-weighted index since 1969.

Brown Thrasher Population Forecast in Oklahoma

If the recent trend holds, Brown Thrasher in Oklahoma is projected to rise about 86% by 2029 — from 0.76 in 2024 to a central estimate of 1.4 (95% range 0.06–2.8). A 5-year backtest shows a typical error of ±90.7%, with 100% of held-out values landing inside the 95% band.

+86%Change by 2029
1.4Projected 2029 index
0.06–2.895% range
±90.7%Backtest error
19672029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20251.60.202.9
20261.50.172.9
20271.50.132.8
20281.40.092.8
20291.40.062.8

Brown Thrasher Survey Routes in Oklahoma

Routes recording Brown Thrasher in Oklahoma.
Wainwright1020131992
Ft Sill East1019941994
Wakita620161967
Hunter620241992
Colony519951995
Wichita Mtns519941994
Skiatook520191982
Grimes420231967
Collinsville420191967
Hollis420241993
Pocola420161992
Ft Sill West419941994
Phroso320241992
Phillips320081969
Welch320241967
Barnsdall319771967
Hardesty320041984
Goodwater320182005
Big Cedar220131967
Blanco220001970
Mcalester219911967
Mill Creek220161967
Beggs220221967
Eagle City220081968
Peoria220231967

Brown Thrasher Population Trend in Other States

alabamaarkansascoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiopennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsinwyoming

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