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

Bank Swallow Population Trend in New York

All statesAerial insectivores

Bank Swallow in New York has collapsed: down 88% on the route-weighted index since 1968.

-88%Since 1968
108Routes In State
58Years

Notable Bank Swallow Trends in New York

long arc declinecomputed index

Bank Swallow has collapsed in New York: down 88% on the route-weighted index since 1968.

Bank Swallow Population Forecast in New York

If the recent trend holds, Bank Swallow in New York is projected to fall about 100% by 2029 — from 0.96 in 2024 to a central estimate of 0.00 (95% range 0.00–4.5). A 5-year backtest shows a typical error of ±220.6%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.00–4.595% range
±220.6%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
20250.000.004.5
20260.000.004.5
20270.000.004.5
20280.000.004.5
20290.000.004.5

Bank Swallow Survey Routes in New York

Routes recording Bank Swallow in New York.
Cayuga6619961969
Alder Creek4920041971
Macdougall3920241969
Salem3020141968
Rifton2019671967
Watertown1620121969
Rhinebeck1520171967
Warrensburg1519781967
North Easton1419961968
West Seneca1320041966
Oneonta1219981968
Cicero Ctr1219881966
Hopkinton1219901979
Durham1019761966
Centerville920061969
Byron820191975
Wanakena819941980
Harris Hill820222005
Mendon719751970
Nashville720001967
Huntington620112011
Catskills619701970
Corbettsvile619931966
Vestal Ctr620091996
Pulaski620081973

Bank Swallow Population Trend in Other States

alabamaalaskaarkansascaliforniacoloradoconnecticutdelawareidahoillinoisindianaiowakansaskentuckymainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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