Guild · Alaska · BBS 2025 Release · 1966–2024

Grassland Birds In Alaska

3 species in this guild. As a group they are +111% since 1975.

Guild Signals

No notable trend signals for grassland birds in Alaska. See the full index history below.

Forecast

If the recent trend holds, Grassland birds in Alaska is projected to fall about 16% by 2029 — from 4.9 in 2024 to a central estimate of 4.1 (95% range 0.00–9.8). A 5-year backtest shows a typical error of ±19.3%, with 100% of held-out values landing inside the 95% band.

-16%Change by 2029
4.1Projected 2029 index
0.009.895% range
±19.3%Backtest error
19712029
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
20254.30.0010.0
20264.20.009.9
20274.20.009.9
20284.20.009.8
20294.10.009.8

Member Species In Alaska

Grassland birds species in Alaska.
Upland SandpiperScolopacidae-81%
Horned LarkAlaudidae+83%
Savannah SparrowPasserellidae+365%

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