Species · BCR 23 · BBS 2025 Release · 1966–2024
Wood Duck In Prairie Hardwood Transition
Wood Duck in Prairie Hardwood Transition has surged: up 146% on the route-weighted index since 1968.
+146%Since 1968
156Routes In Region
58Years
Notable Signals
long arc increasecomputed index
Wood Duck has surged in Prairie Hardwood Transition: up 146% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Wood Duck in Prairie Hardwood Transition is projected to rise about 116% by 2029 — from 0.83 in 2024 to a central estimate of 1.8 (95% range 0.59–3.0). A 5-year backtest shows a typical error of ±74.7%, with 100% of held-out values landing inside the 95% band.
+116%Change by 2029
1.8Projected 2029 index
0.59–3.095% range
±74.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.7 | 0.53 | 2.9 |
| 2026 | 1.8 | 0.55 | 3.0 |
| 2027 | 1.8 | 0.56 | 3.0 |
| 2028 | 1.8 | 0.57 | 3.0 |
| 2029 | 1.8 | 0.59 | 3.0 |
Routes In Prairie Hardwood Transition
| Omro | WISCONSIN | 29 | 1999 |
| Indiana Dune | INDIANA | 16 | 2023 |
| Bismark | OHIO | 14 | 1995 |
| Kiel | WISCONSIN | 12 | 2022 |
| Columbia Cty | INDIANA | 10 | 2024 |
| Big Rapids | MICHIGAN | 8 | 1990 |
| Homer | MICHIGAN | 8 | 2017 |
| Osseo | MINNESOTA | 8 | 2021 |
| Hudson | WISCONSIN | 8 | 2024 |
| Fall River | WISCONSIN | 7 | 2024 |
| Ashby | MINNESOTA | 6 | 2021 |
| Wiota | WISCONSIN | 6 | 2024 |
| St Charles | MICHIGAN | 5 | 2010 |
| Knapp | MINNESOTA | 5 | 2019 |
| Glenwood | MINNESOTA | 5 | 2019 |
| Sherburne Nr | MINNESOTA | 5 | 2024 |
| Monterey | MICHIGAN | 4 | 2024 |
| Barry S.G.A. 2 | MICHIGAN | 4 | 2019 |
| Minnetonka | MINNESOTA | 4 | 2021 |
| Cochrane | WISCONSIN | 4 | 2024 |
| Casco | WISCONSIN | 4 | 2018 |
| N Freedom | WISCONSIN | 4 | 2021 |
| Holland | WISCONSIN | 4 | 2012 |
| Lakeville | INDIANA | 3 | 2016 |
| Bravo | MICHIGAN | 3 | 2013 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.