Guild
Waterfowl
38 species tracked. As a group, waterfowl are +121%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 43% by 2030 — from 0.31 in 2025 to a central estimate of 0.44 (95% range 0.35–0.53). A 5-year backtest shows a typical error of ±28%, with 40% of held-out values landing inside the 95% band.
0.44Projected 2030 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 | -75% | 25 |
| Rhode Island | -45% | 3 |
| Kansas | -31% | 10 |
| Washington | -22% | 20 |
| Colorado | -21% | 14 |
| South Dakota | -17% | 14 |
| Connecticut | -13% | 7 |
| Montana | -11% | 21 |
| Texas | -9% | 15 |
| Florida | +10% | 7 |
| Idaho | +23% | 18 |
| Arizona | +46% | 5 |
| Nebraska | +52% | 11 |
| Georgia | +57% | 4 |
| Oregon | +59% | 19 |
| South Carolina | +61% | 3 |
| California | +78% | 17 |
| Nevada | +138% | 13 |
| Minnesota | +149% | 18 |
| New York | +166% | 8 |
| Wisconsin | +172% | 13 |
| New Hampshire | +173% | 6 |
| Maine | +198% | 9 |
| Wyoming | +204% | 19 |
| North Dakota | +215% | 16 |
| New Jersey | +229% | 6 |
| Massachusetts | +231% | 7 |
| Louisiana | +299% | 7 |
| Michigan | +341% | 10 |
| Pennsylvania | +360% | 7 |
| Arkansas | +361% | 5 |
| Tennessee | +365% | 3 |
| New Mexico | +366% | 11 |
| Utah | +370% | 15 |
| Ohio | +449% | 4 |
| West Virginia | +460% | 3 |
| Vermont | +523% | 7 |
| Maryland | +573% | 5 |
| Indiana | +793% | 5 |
| Alabama | 11× | 4 |
| Missouri | 12× | 3 |
| Virginia | 12× | 4 |
| Mississippi | 12× | 5 |
| Kentucky | 12× | 3 |
| Oklahoma | 12× | 5 |
| Iowa | 13× | 5 |
| North Carolina | 14× | 4 |
| Illinois | 16× | 5 |
| Delaware | 27× | 4 |