Species · BCR 12 · BBS 2025 Release · 1966–2024
Spotted Sandpiper In Boreal Hardwood Transition
Spotted Sandpiper in Boreal Hardwood Transition has collapsed: down 88% on the route-weighted index since 1968.
-88%Since 1968
67Routes In Region
53Years
Notable Signals
long arc declinecomputed index
Spotted Sandpiper has collapsed in Boreal Hardwood Transition: down 88% on the route-weighted index since 1968.
Forecast
If the recent trend holds, Spotted Sandpiper in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 0.00 (95% range 0.00–0.17). A 5-year backtest shows a typical error of ±525.5%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.00Projected 2029 index
0.00–0.1795% range
±525.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.00 | 0.00 | 0.17 |
| 2026 | 0.00 | 0.00 | 0.17 |
| 2027 | 0.00 | 0.00 | 0.17 |
| 2028 | 0.00 | 0.00 | 0.17 |
| 2029 | 0.00 | 0.00 | 0.17 |
Routes In Boreal Hardwood Transition
| Bayfield | WISCONSIN | 5 | 1987 |
| Mille Lacs | MINNESOTA | 3 | 1967 |
| Waskish | MINNESOTA | 3 | 1981 |
| Bootjack | MICHIGAN | 2 | 1972 |
| Herman | MICHIGAN | 2 | 1997 |
| Crystal Fls | MICHIGAN | 2 | 2012 |
| Brocky Lake | MICHIGAN | 2 | 2022 |
| Shingleton | MICHIGAN | 2 | 1978 |
| Creighton | MICHIGAN | 2 | 1988 |
| Lake City | MICHIGAN | 2 | 1971 |
| Raco | MICHIGAN | 2 | 1972 |
| Riggsville | MICHIGAN | 2 | 1968 |
| Backus | MINNESOTA | 2 | 1974 |
| Floodwood | MINNESOTA | 2 | 1990 |
| Greenbush | MINNESOTA | 2 | 2022 |
| Minong | WISCONSIN | 2 | 2011 |
| Gilman | WISCONSIN | 2 | 2023 |
| Amnicon Falls | WISCONSIN | 2 | 2003 |
| Ontonagon | MICHIGAN | 1 | 1971 |
| Bergland | MICHIGAN | 1 | 1990 |
| Gibbs City | MICHIGAN | 1 | 2004 |
| Ishpeming | MICHIGAN | 1 | 1990 |
| Wilson | MICHIGAN | 1 | 1969 |
| Cunard | MICHIGAN | 1 | 1990 |
| Isabella | MICHIGAN | 1 | 1987 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.