Guild
Waterfowl
38 species tracked. As a group, waterfowl are +134%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 waterfowl. See the full index history below.
Waterfowl Population Forecast
If the recent trend holds, Waterfowl as a group is projected to rise about 47% by 2029 — from 0.30 in 2024 to a central estimate of 0.44 (95% range 0.36–0.53). A 5-year backtest shows a typical error of ±27.2%, with 40% of held-out values landing inside the 95% band.
0.44Projected 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 →
Waterfowl 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 → | ||
|---|---|---|
| Alaska | -69% | 25 |
| Rhode Island | -61% | 3 |
| Kansas | -40% | 10 |
| Washington | -34% | 20 |
| Montana | -17% | 21 |
| Colorado | -2% | 14 |
| South Dakota | -1% | 14 |
| Florida | +2% | 7 |
| Arizona | +3% | 5 |
| Texas | +5% | 15 |
| Connecticut | +47% | 7 |
| Georgia | +53% | 4 |
| California | +65% | 17 |
| Oregon | +66% | 19 |
| Nebraska | +73% | 11 |
| Idaho | +88% | 18 |
| Maine | +109% | 9 |
| South Carolina | +129% | 3 |
| Minnesota | +142% | 18 |
| Nevada | +159% | 13 |
| New Hampshire | +162% | 6 |
| New York | +175% | 8 |
| Massachusetts | +183% | 7 |
| Wyoming | +187% | 19 |
| Wisconsin | +201% | 13 |
| New Jersey | +252% | 6 |
| Louisiana | +316% | 7 |
| Michigan | +318% | 10 |
| North Dakota | +321% | 16 |
| Pennsylvania | +380% | 7 |
| New Mexico | +396% | 11 |
| Tennessee | +408% | 3 |
| Utah | +461% | 15 |
| Arkansas | +465% | 5 |
| Ohio | +491% | 4 |
| Vermont | +546% | 7 |
| West Virginia | +606% | 3 |
| Maryland | +606% | 5 |
| Oklahoma | +853% | 5 |
| Indiana | +890% | 5 |
| Missouri | 12× | 3 |
| Illinois | 12× | 5 |
| Virginia | 12× | 4 |
| Iowa | 13× | 5 |
| Alabama | 13× | 4 |
| Kentucky | 13× | 3 |
| Mississippi | 13× | 4 |
| North Carolina | 13× | 4 |
| Delaware | 22× | 4 |