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

Common Nighthawk Population Trend in Idaho

All statesAerial insectivores

Common Nighthawk in Idaho has surged: up 162% on the route-weighted index since 1970.

+162%Since 1970
52Routes In State
56Years

Notable Common Nighthawk Trends in Idaho

long arc increasecomputed index

Common Nighthawk has surged in Idaho: up 162% on the route-weighted index since 1970.

Common Nighthawk Population Forecast in Idaho

If the recent trend holds, Common Nighthawk in Idaho is projected to rise about 18% by 2029 — from 1.5 in 2024 to a central estimate of 1.8 (95% range 0.25–3.3). A 5-year backtest shows a typical error of ±47.6%, with 100% of held-out values landing inside the 95% band.

+18%Change by 2029
1.8Projected 2029 index
0.25–3.395% range
±47.6%Backtest error
19682029
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
20251.70.213.3
20261.80.223.3
20271.80.233.3
20281.80.243.3
20291.80.253.3

Common Nighthawk Survey Routes in Idaho

Routes recording Common Nighthawk in Idaho.
Twin Buttes1620241985
Dubois520121978
Circular Bu520241986
Crane Creek520191988
Dougal Res520211988
Blacks Creek420171969
Joel420241989
Picabo420211989
Preston420081989
Triangle320241985
Hot Spring320141988
Naples220221972
Baker220211974
Craters220061984
Springfield220181970
Ririe220131971
Glenns Ferry219861968
Acequia220121979
Cobalt220151989
Yellow Pine220111994
Iron Springs220241989
Cedar Hill220241989
Cabarton219901990
Blackft Res120091986
Mivoden120061977

Common Nighthawk Population Trend in Other States

alabamaalaskaarizonaarkansascaliforniacoloradoconnecticutdelawarefloridageorgiaillinoisindianaiowakansaskentuckylouisianamainemarylandmassachusettsmichiganminnesotamississippimissourimontananebraskanevadanew-hampshirenew-jerseynew-mexiconew-yorknorth-carolinanorth-dakotaohiooklahomaoregonpennsylvaniarhode-islandsouth-carolinasouth-dakotatennesseetexasutahvermontvirginiawashingtonwest-virginiawisconsinwyoming

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