Species · New York · BBS 2025 Release · 1966–2024
Savannah Sparrow Population Trend in New York
Savannah Sparrow in New York has fallen sharply: down 50% on the route-weighted index since 1968.
-50%Since 1968
107Routes In State
58Years
Notable Savannah Sparrow Trends in New York
long arc declinecomputed index
Savannah Sparrow has fallen sharply in New York: down 50% on the route-weighted index since 1968.
Savannah Sparrow Population Forecast in New York
If the recent trend holds, Savannah Sparrow in New York is projected to fall about 44% by 2029 — from 5.4 in 2024 to a central estimate of 3.1 (95% range 1.0–5.1). A 5-year backtest shows a typical error of ±30.5%, with 60% of held-out values landing inside the 95% band.
-44%Change by 2029
3.1Projected 2029 index
1.0–5.195% range
±30.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 3.6 | 1.5 | 5.7 |
| 2026 | 3.5 | 1.4 | 5.5 |
| 2027 | 3.3 | 1.3 | 5.4 |
| 2028 | 3.2 | 1.1 | 5.3 |
| 2029 | 3.1 | 1.0 | 5.1 |
Savannah Sparrow Survey Routes in New York
| Orleans | 48 | 2024 | 1967 |
| Sheridan | 22 | 2024 | 1966 |
| Hopkinton | 22 | 1990 | 1969 |
| Castile | 21 | 2024 | 1967 |
| E Youngstown | 21 | 2023 | 1966 |
| Churchville | 21 | 2024 | 1968 |
| Macdougall | 19 | 2024 | 1969 |
| Rushville | 19 | 2024 | 1968 |
| West Bangor | 16 | 1999 | 1990 |
| Dryden | 13 | 2024 | 1966 |
| Nashville | 13 | 2018 | 1967 |
| Romulus | 12 | 2000 | 1968 |
| Watertown | 11 | 2012 | 1967 |
| Branchport | 10 | 2024 | 1967 |
| Centerville | 10 | 2015 | 1967 |
| Byron | 10 | 2024 | 1967 |
| Argyle | 10 | 2024 | 1968 |
| Ogdensburg | 10 | 2024 | 1979 |
| Naples | 9 | 2024 | 1966 |
| Cayuga | 8 | 2024 | 1969 |
| Randolph | 8 | 2018 | 1967 |
| Philadelphia | 8 | 2024 | 1980 |
| N Victory | 8 | 1972 | 1967 |
| Mt Morris | 7 | 2024 | 1967 |
| Highmarket | 7 | 2024 | 1974 |
Savannah Sparrow Population Trend in Other States
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Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.