Species · New Hampshire · BBS 2025 Release · 1966–2024
Spotted Sandpiper Population Trend in New Hampshire
Spotted Sandpiper in New Hampshire has fallen sharply: down 58% on the route-weighted index since 1968.
-58%Since 1968
20Routes In State
47Years
Notable Spotted Sandpiper Trends in New Hampshire
long arc declinecomputed index
Spotted Sandpiper has fallen sharply in New Hampshire: down 58% on the route-weighted index since 1968.
Spotted Sandpiper Population Forecast in New Hampshire
If the recent trend holds, Spotted Sandpiper in New Hampshire is projected to stay roughly flat through 2028, near 0.02 (95% range 0.00–0.25). A 5-year backtest shows a typical error of ±62%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2028
0.02Projected 2028 index
0.00–0.2595% range
±62%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.04 | 0.00 | 0.27 |
| 2025 | 0.04 | 0.00 | 0.27 |
| 2026 | 0.04 | 0.00 | 0.26 |
| 2027 | 0.03 | 0.00 | 0.26 |
| 2028 | 0.02 | 0.00 | 0.25 |
Spotted Sandpiper Survey Routes in New Hampshire
| Fitzwilliam | 2 | 1989 | 1972 |
| Hopkinton | 2 | 1983 | 1980 |
| Mt Chocorua | 2 | 2019 | 1966 |
| Walpole | 2 | 2004 | 1976 |
| Lempster | 2 | 1992 | 1974 |
| Clarksville | 2 | 2005 | 1967 |
| Peterborough | 1 | 1978 | 1969 |
| Brentwood | 1 | 1973 | 1973 |
| Dover | 1 | 1992 | 1971 |
| Epsom | 1 | 1970 | 1970 |
| Concord | 1 | 2004 | 2004 |
| Canterbury | 1 | 2009 | 2007 |
| Wilmot | 1 | 2023 | 1997 |
| Marlow | 1 | 1987 | 1987 |
| Jefferson Hl | 1 | 2002 | 1967 |
| Franconia | 1 | 2009 | 1969 |
| Milan | 1 | 2008 | 1967 |
| Stratford | 1 | 2019 | 1966 |
| Dixvil Notch | 1 | 1981 | 1967 |
| Glen | 1 | 2019 | 2019 |
Spotted Sandpiper Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.