Species · BCR 12 · BBS 2025 Release · 1966–2024
Sandhill Crane In Boreal Hardwood Transition
Sandhill Crane in Boreal Hardwood Transition has surged: up 43× on the route-weighted index since 1969.
43×Since 1969
105Routes In Region
57Years
Notable Signals
long arc increasecomputed index
Sandhill Crane has surged in Boreal Hardwood Transition: up 43× on the route-weighted index since 1969.
Forecast
If the recent trend holds, Sandhill Crane in Boreal Hardwood Transition is projected to rise about 78% by 2029 — from 2.3 in 2024 to a central estimate of 4.1 (95% range 3.0–5.1). A 5-year backtest shows a typical error of ±35.7%, with 60% of held-out values landing inside the 95% band.
+78%Change by 2029
4.1Projected 2029 index
3.0–5.195% range
±35.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.8 | 2.7 | 4.9 |
| 2026 | 3.9 | 2.8 | 4.9 |
| 2027 | 3.9 | 2.8 | 5.0 |
| 2028 | 4.0 | 2.9 | 5.1 |
| 2029 | 4.1 | 3.0 | 5.1 |
Routes In Boreal Hardwood Transition
| Pickford | MICHIGAN | 22 | 2024 |
| Gilman | WISCONSIN | 20 | 2024 |
| Greenbush | MINNESOTA | 17 | 2024 |
| Lude | MINNESOTA | 15 | 2023 |
| Riggsville | MICHIGAN | 9 | 2019 |
| Warroad | MINNESOTA | 9 | 2024 |
| Creighton | MICHIGAN | 8 | 2023 |
| Raco | MICHIGAN | 8 | 2024 |
| Ensign | MICHIGAN | 8 | 2010 |
| Mellen | WISCONSIN | 8 | 2023 |
| Herman | MICHIGAN | 7 | 2022 |
| Cathro | MICHIGAN | 7 | 2016 |
| Walloon Lake 2 | MICHIGAN | 7 | 2024 |
| Cluster Lakes | MICHIGAN | 6 | 2010 |
| Bootjack | MICHIGAN | 5 | 2023 |
| Ned Lake | MICHIGAN | 5 | 2024 |
| Crystal Fls | MICHIGAN | 5 | 2024 |
| Betchler Lks | MICHIGAN | 5 | 2024 |
| Seney Nwr | MICHIGAN | 5 | 2024 |
| Wigwam Bay | MINNESOTA | 5 | 2023 |
| Little Fork | MINNESOTA | 5 | 2023 |
| Irma | WISCONSIN | 5 | 2023 |
| Washington I | WISCONSIN | 5 | 2023 |
| Pleasant Valley 2 | MICHIGAN | 4 | 2013 |
| Imp Lake | MICHIGAN | 4 | 2018 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.