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Species · Louisiana · BBS 2025 Release · 1966–2024

Brown-headed Nuthatch Population Trend in Louisiana

All statesForest birds

Brown-headed Nuthatch in Louisiana has fallen sharply: down 58% on the route-weighted index since 1969.

-58%Since 1969
52Routes In State
57Years

Notable Brown-headed Nuthatch Trends in Louisiana

long arc declinecomputed index

Brown-headed Nuthatch has fallen sharply in Louisiana: down 58% on the route-weighted index since 1969.

Brown-headed Nuthatch Population Forecast in Louisiana

If the recent trend holds, Brown-headed Nuthatch in Louisiana is projected to fall about 81% by 2029 — from 0.98 in 2024 to a central estimate of 0.18 (95% range 0.00–1.6). A 5-year backtest shows a typical error of ±63.6%, with 100% of held-out values landing inside the 95% band.

-81%Change by 2029
0.18Projected 2029 index
0.00–1.695% range
±63.6%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
20250.320.001.7
20260.280.001.7
20270.250.001.6
20280.220.001.6
20290.180.001.6

Brown-headed Nuthatch Survey Routes in Louisiana

Routes recording Brown-headed Nuthatch in Louisiana.
Lacombe1119831967
Many919921989
Hargis720112005
Carterville619921992
Pearl River520241989
Fishville 2520242018
Burr Ferry520241987
Ivan420131998
Derry419891970
Fort Polk419751967
Hargis 2420142013
Clay420241970
Lake Cove420172013
Evelyn420242004
Slidell419881984
Derry 2420241990
De Ridder320191967
Chatham319721968
Vinton 2320242011
Franklinton320232008
Goodwill320232005
Vinton320092008
Gonzales320112003
De Quincy320171998
Oakdale319941991

Brown-headed Nuthatch Population Trend in Other States

alabamaarkansasdelawarefloridageorgiamarylandmississippinorth-carolinaoklahomasouth-carolinatennesseetexasvirginia

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