Species · New York · BBS 2025 Release · 1966–2024

Grasshopper Sparrow Population Trend in New York

All states Grassland birds

Grasshopper Sparrow in New York has collapsed: down 93% on the route-weighted index since 1968.

-93%Since 1968

85Routes In State

57Years

Notable Grasshopper Sparrow Trends in New York

long arc declinecomputed index

Grasshopper Sparrow has collapsed in New York: down 93% on the route-weighted index since 1968.

Grasshopper Sparrow Population Forecast in New York

If the recent trend holds, Grasshopper Sparrow in New York is projected to fall about 100% by 2029 — from 0.08 in 2024 to a central estimate of 0.00 (95% range 0.00–0.35). A 5-year backtest shows a typical error of ±400.6%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029

0.00Projected 2029 index

0.00–0.3595% range

±400.6%Backtest error

Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.

Year	Projected index	95% low	95% high
2025	0.00	0.00	0.35
2026	0.00	0.00	0.35
2027	0.00	0.00	0.35
2028	0.00	0.00	0.35
2029	0.00	0.00	0.35

Grasshopper Sparrow Survey Routes in New York

Routes recording Grasshopper Sparrow in New York.

Oriskany Fls	9	1979	1971
Romulus	7	2000	1968
Macdougall	5	2022	1971
Coventryvile	4	2001	1968
Cooperstown	3	1973	1972
Oxford	3	1967	1967
Randolph	3	1972	1967
Hauppauge	2	1968	1968
Rhinebeck	2	1999	1966
Cobleskill	2	1986	1986
Whitney Pt	2	2002	1966
Cattaraugus	2	1973	1967
Castile	2	1995	1970
St Johnsburg	2	1981	1967
Byron	2	1986	1967
Churchville	2	2024	1970
Clinton	2	2002	1995
Argyle	2	2024	1968
S Vandalia	2	1969	1969
Westhampton	1	1978	1971
Manorville	1	1982	1972
Warwick	1	1969	1969
Middletown	1	1969	1969
Rifton	1	1968	1968
Westbrookvle	1	2010	1966

Grasshopper Sparrow Population Trend in Other States

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