Species · Ohio · BBS 2025 Release · 1966–2024

Cliff Swallow Population Trend in Ohio

Cliff Swallow in Ohio has surged: up 16× on the route-weighted index since 1971.

16×Since 1971
42Routes In State
47Years

Notable Cliff Swallow Trends in Ohio

long arc increasecomputed index

Cliff Swallow has surged in Ohio: up 16× on the route-weighted index since 1971.

Cliff Swallow Population Forecast in Ohio

If the recent trend holds, Cliff Swallow in Ohio is projected to fall about 12% by 2029 — from 4.3 in 2024 to a central estimate of 3.8 (95% range 2.3–5.2). A 5-year backtest shows a typical error of ±22.4%, with 100% of held-out values landing inside the 95% band.

-12%Change by 2029
3.8Projected 2029 index
2.35.295% range
±22.4%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
20253.52.04.9
20263.52.15.0
20273.62.25.1
20283.72.25.1
20293.82.35.2

Cliff Swallow Survey Routes in Ohio

Routes recording Cliff Swallow in Ohio.
Omega6120241974
Herner Crns5120241984
Shawnee S.F. 23520132013
Rome2020242000
Bismark1419711971
Lucerne1120241999
Stonecreek620242002
Ash Ridge520122012
Birmingham420241988
South Olive420142013
Darrtown419661966
Keene420231995
N Baltimore320182010
Tar Hollow320172007
Kalida320172017
Marion320232018
Meadowbrook320212014
Maysville320101993
Scioto Furn319971997
Norwalk319991982
Kunkle220082008
Pittsfield220242009
Ashley220071988
Middlefield219911991
Lenox219711967

Cliff Swallow Population Trend in Other States

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