Guild
Shorebirds
35 species tracked. As a group, shorebirds are -33%Guild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology → since 1968.
Guild SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →
No notable trend signals for shorebirds. See the full index history below.
Shorebirds Population Forecast
If the recent trend holds, Shorebirds as a group is projected to fall about 27% by 2029 — from 0.24 in 2024 to a central estimate of 0.17 (95% range 0.05–0.29). A 5-year backtest shows a typical error of ±20.5%, with 100% of held-out values landing inside the 95% band.
0.17Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
Shorebirds By State
| Guild trendA mean-index aggregate across the species in this group — the structural direction of the guild, with individual-species noise smoothed out.Full methodology → | ||
|---|---|---|
| Maine | -86% | 4 |
| Idaho | -79% | 8 |
| New Hampshire | -74% | 4 |
| California | -65% | 10 |
| Colorado | -63% | 8 |
| Arizona | -61% | 3 |
| Texas | -57% | 7 |
| Oregon | -57% | 8 |
| Washington | -50% | 7 |
| Massachusetts | -49% | 4 |
| Connecticut | -48% | 3 |
| Vermont | -47% | 4 |
| New Mexico | -45% | 7 |
| Florida | -40% | 6 |
| New York | -31% | 4 |
| Oklahoma | -22% | 4 |
| Michigan | -20% | 4 |
| Kansas | -20% | 5 |
| South Dakota | -16% | 8 |
| Wyoming | -13% | 8 |
| Pennsylvania | -10% | 3 |
| West Virginia | -6% | 3 |
| Utah | -1% | 9 |
| Virginia | +1% | 4 |
| Nevada | +7% | 8 |
| Montana | +8% | 8 |
| Wisconsin | +10% | 4 |
| Alaska | +12% | 24 |
| Minnesota | +15% | 6 |
| Delaware | +15% | 3 |
| New Jersey | +31% | 3 |
| Nebraska | +32% | 7 |
| Maryland | +50% | 4 |
| Louisiana | +60% | 3 |
| North Dakota | +103% | 8 |
| Alabama | +104% | 3 |
| Ohio | +216% | 3 |
| Illinois | +245% | 3 |
| Indiana | +437% | 3 |
| North Carolina | +526% | 4 |