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Species · Alabama · BBS 2025 Release · 1966–2024

Blue-gray Gnatcatcher Population Trend in Alabama

All statesForest birds

Blue-gray Gnatcatcher in Alabama has surged: up 440% on the route-weighted index since 1968.

+440%Since 1968
108Routes In State
58Years

Notable Blue-gray Gnatcatcher Trends in Alabama

long arc increasecomputed index

Blue-gray Gnatcatcher has surged in Alabama: up 440% on the route-weighted index since 1968.

Blue-gray Gnatcatcher Population Forecast in Alabama

If the recent trend holds, Blue-gray Gnatcatcher in Alabama is projected to stay roughly flat through 2029, near 12 (95% range 9.8–14). A 5-year backtest shows a typical error of ±15.5%, with 60% of held-out values landing inside the 95% band.

+4%Change by 2029
12Projected 2029 index
9.8–1495% range
±15.5%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
2025119.213
2026119.313
2027129.514
2028129.714
2029129.814

Blue-gray Gnatcatcher Survey Routes in Alabama

Routes recording Blue-gray Gnatcatcher in Alabama.
Sprott-Cahaba Riv4720141999
Epes3820241980
Wedgeworth3520241984
Stevenson3420241996
Borden Springs 23020242001
Riderwood2820231966
Greensboro2820241966
Cottonton2820241969
Blocton2720241969
Mt Olive2620241966
Warrior Std2520241966
Triana2420121999
Helicon2320241996
Riverside2220131999
Howard2120241975
Mt. Gilead2020241995
Liberty City 22020242017
Brantley1820241966
Wedowee1820231996
Liberty1720221975
Smyer Lake1520241966
Wallsboro1520211966
Liberty City1520111979
Borden Sprng1519981993
Dearmanville1419831966

Blue-gray Gnatcatcher Population Trend in Other States

arizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourinebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawest-virginiawisconsinwyoming

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