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

Tree Swallow Population Trend in Nebraska

All statesAerial insectivores

Tree Swallow in Nebraska has surged: up 12× on the route-weighted index since 1990.

12×Since 1990
49Routes In State
35Years

Notable Tree Swallow Trends in Nebraska

long arc increasecomputed index

Tree Swallow has surged in Nebraska: up 12× on the route-weighted index since 1990.

Tree Swallow Population Forecast in Nebraska

If the recent trend holds, Tree Swallow in Nebraska is projected to rise about 48% by 2029 — from 1.1 in 2024 to a central estimate of 1.6 (95% range 0.68–2.6). A 5-year backtest shows a typical error of ±53.9%, with 100% of held-out values landing inside the 95% band.

+48%Change by 2029
1.6Projected 2029 index
0.68–2.695% range
±53.9%Backtest error
19762029
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
20251.50.552.5
20261.50.582.5
20271.60.612.5
20281.60.652.6
20291.60.682.6

Tree Swallow Survey Routes in Nebraska

Routes recording Tree Swallow in Nebraska.
Gretna 22320232021
Kennedy1120241993
Bartley720242003
Eagle Creek720232005
Hendley520242024
Holbrook420212017
Piester Lake420242013
Hay Springs420242019
Nenzel420242018
Lyons420232018
Pine Ridge320222008
Surprise320122009
Richland320111995
Liberty 2320072007
Wheeler Co320241993
Julian220191996
Johnson220241992
Liberty219921976
Belvidere220192019
Kearney220241998
Johnstown220242001
Gordon220242002
Ringgold220152010
Brownlee220231990
Mullen220232000

Tree Swallow Population Trend in Other States

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

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