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
1.05.195% range
±30.5%Backtest error
19662029
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected index95% low95% high
20253.61.55.7
20263.51.45.5
20273.31.35.4
20283.21.15.3
20293.11.05.1

Savannah Sparrow Survey Routes in New York

Routes recording Savannah Sparrow in New York.
Orleans4820241967
Sheridan2220241966
Hopkinton2219901969
Castile2120241967
E Youngstown2120231966
Churchville2120241968
Macdougall1920241969
Rushville1920241968
West Bangor1619991990
Dryden1320241966
Nashville1320181967
Romulus1220001968
Watertown1120121967
Branchport1020241967
Centerville1020151967
Byron1020241967
Argyle1020241968
Ogdensburg1020241979
Naples920241966
Cayuga820241969
Randolph820181967
Philadelphia820241980
N Victory819721967
Mt Morris720241967
Highmarket720241974

Savannah Sparrow Population Trend in Other States

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.