Species · BCR 23 · BBS 2025 Release · 1966–2024
Green Heron In Prairie Hardwood Transition
Green Heron in Prairie Hardwood Transition has increased: up 38% on the route-weighted index since 1968.
+38%Since 1968
154Routes In Region
58Years
Notable Signals
No notable trend signals for Green Heron in Prairie Hardwood Transition. See the full index history below.
Forecast
If the recent trend holds, Green Heron in Prairie Hardwood Transition is projected to fall about 16% by 2029 — from 0.72 in 2024 to a central estimate of 0.61 (95% range 0.10–1.1). A 5-year backtest shows a typical error of ±30.2%, with 100% of held-out values landing inside the 95% band.
-16%Change by 2029
0.61Projected 2029 index
0.10–1.195% range
±30.2%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.64 | 0.14 | 1.1 |
| 2026 | 0.63 | 0.13 | 1.1 |
| 2027 | 0.62 | 0.12 | 1.1 |
| 2028 | 0.61 | 0.11 | 1.1 |
| 2029 | 0.61 | 0.10 | 1.1 |
Routes In Prairie Hardwood Transition
| Lawrence | MICHIGAN | 4 | 2024 |
| Drayton Plns | MICHIGAN | 4 | 1978 |
| Sherburne Nr | MINNESOTA | 4 | 2024 |
| Kiel | WISCONSIN | 4 | 2022 |
| Remus | MICHIGAN | 3 | 2024 |
| Mottville | MICHIGAN | 3 | 2019 |
| Holt | MICHIGAN | 3 | 2008 |
| Prattville | MICHIGAN | 3 | 2018 |
| Owendale | MICHIGAN | 3 | 1994 |
| Cohoctah | MICHIGAN | 3 | 2024 |
| Le Center | MINNESOTA | 3 | 2023 |
| Weyerhauser | WISCONSIN | 3 | 2024 |
| Trempealeau | WISCONSIN | 3 | 2016 |
| Pardeeville | WISCONSIN | 3 | 2024 |
| Fall River | WISCONSIN | 3 | 2024 |
| Gresham | WISCONSIN | 3 | 2024 |
| Cherry Val | ILLINOIS | 2 | 2002 |
| South Bend | INDIANA | 2 | 1990 |
| Columbia Cty | INDIANA | 2 | 2022 |
| Ellis | INDIANA | 2 | 2021 |
| Packertown 2 | INDIANA | 2 | 2024 |
| Big Rapids | MICHIGAN | 2 | 1990 |
| Nashville | MICHIGAN | 2 | 2024 |
| No Bradley | MICHIGAN | 2 | 2024 |
| Juniata | MICHIGAN | 2 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.