BirdAnalyst
Species · Alabama · BBS 2025 Release · 1966–2024

Northern Parula Population Trend in Alabama

All statesForest birds

Northern Parula in Alabama has surged: up 599% on the route-weighted index since 1968.

+599%Since 1968
97Routes In State
58Years

Notable Northern Parula Trends in Alabama

long arc increasecomputed index

Northern Parula has surged in Alabama: up 599% on the route-weighted index since 1968.

Northern Parula Population Forecast in Alabama

If the recent trend holds, Northern Parula in Alabama is projected to stay roughly flat through 2029, near 4.8 (95% range 3.9–5.6). A 5-year backtest shows a typical error of ±9.1%, with 100% of held-out values landing inside the 95% band.

-5%Change by 2029
4.8Projected 2029 index
3.9–5.695% range
±9.1%Backtest error
19662029
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
20254.53.75.3
20264.63.75.4
20274.63.85.5
20284.73.95.5
20294.83.95.6

Northern Parula Survey Routes in Alabama

Routes recording Northern Parula in Alabama.
Gainestown Ferry8520151999
Cottonton2620241970
Sprott-Cahaba Riv2420141999
Epes2320241984
Chacaloochee Bay2320192009
Sprague1920241966
Whitehall1820241983
Liberty City 21520242017
Wedowee1320232000
Borden Springs 21220242001
Vina1220231996
Greensboro1120241966
Riverside1120132001
Millerville1020241977
Borden Sprng1019981993
Howard920241981
Calebee920241993
Nixburg 2920242000
Maytown820232004
Warrior Std820241968
Blocton820241971
Liberty City820111984
Holt820241998
Latham720001970
Wallsboro620211966

Northern Parula Population Trend in Other States

arkansascaliforniaconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanew-hampshirenew-jerseynew-yorknorth-carolinaohiooklahomapennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasvermontvirginiawest-virginiawisconsin

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