Species · West Virginia · BBS 2025 Release · 1966–2024

Blue-gray Gnatcatcher Population Trend in West Virginia

Blue-gray Gnatcatcher in West Virginia has declined: down 47% on the route-weighted index since 1968.

-47%Since 1968
61Routes In State
58Years

Notable Blue-gray Gnatcatcher Trends in West Virginia

No notable trend signals for Blue-gray Gnatcatcher in West Virginia. See the full index history below.

Blue-gray Gnatcatcher Population Forecast in West Virginia

If the recent trend holds, Blue-gray Gnatcatcher in West Virginia is projected to rise about 69% by 2029 — from 1.6 in 2024 to a central estimate of 2.7 (95% range 0.58–4.9). A 5-year backtest shows a typical error of ±36.4%, with 100% of held-out values landing inside the 95% band.

+69%Change by 2029
2.7Projected 2029 index
0.584.995% range
±36.4%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
20252.90.705.0
20262.80.675.0
20272.80.645.0
20282.80.614.9
20292.70.584.9

Blue-gray Gnatcatcher Survey Routes in West Virginia

Routes recording Blue-gray Gnatcatcher in West Virginia.
Welch2120232002
Bramwell1820231978
Hubbardstown1820231966
Yellow Spg1120221975
Shanghai1120221995
Sleepy Creek1019901966
Henderson1020232002
Rockport820241966
Washburn820221974
Rio819951974
Slate720241980
Bismark720231976
Spencer620231986
Stollings520211986
Cedarville520231982
Hix420241970
Arlee419751966
Fayetteville419961980
Mo Of Seneca420191969
Berryburg419961975
Meadowville420231972
Martinsburg420241966
Clinton420231966
Glade Run420021996
Smoot320241980

Blue-gray Gnatcatcher Population Trend in Other States

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