BirdAnalyst
Species · Missouri · BBS 2025 Release · 1966–2024

Cliff Swallow Population Trend in Missouri

All statesAerial insectivores

Cliff Swallow in Missouri has surged: up 139× on the route-weighted index since 1974.

139×Since 1974
69Routes In State
50Years

Notable Cliff Swallow Trends in Missouri

long arc increasecomputed index

Cliff Swallow has surged in Missouri: up 139× on the route-weighted index since 1974.

Cliff Swallow Population Forecast in Missouri

If the recent trend holds, Cliff Swallow in Missouri is projected to stay roughly flat through 2029, near 21 (95% range 14–29). A 5-year backtest shows a typical error of ±10.7%, with 100% of held-out values landing inside the 95% band.

+6%Change by 2029
21Projected 2029 index
14–2995% range
±10.7%Backtest error
19702029
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
2025191227
2026201227
2027201328
2028211328
2029211429

Cliff Swallow Survey Routes in Missouri

Routes recording Cliff Swallow in Missouri.
Queen City18020222017
Woodlandville12520242014
Millwood12120242006
Barnard11820192002
Cp Girardeau11220241993
New Point10420241994
Trenton10320242004
Filley10220241987
Crane6720241998
Lucerne6520212016
Mincy5020242015
Gerald5020242013
Whitewater4620242002
Blodgett4320242013
Elmo4120232016
Watson3920242002
Frankford3120242011
Moselle2920242000
Osage Beach2620212017
Rockingham2520242015
Frazier2520222009
Stet2419881974
Williamsvill2420192018
New Hampton2420242016
Syracuse2020241997

Cliff Swallow Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaidahoillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniasouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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