BirdAnalyst
Species · BCR 18 · BBS 2025 Release · 1966–2024

Chimney Swift In Shortgrass Prairie

All regionsShortgrass PrairieAerial insectivores

Chimney Swift in Shortgrass Prairie has fallen sharply: down 50% on the route-weighted index since 1969.

-50%Since 1969
33Routes In Region
56Years

Notable Signals

long arc declinecomputed index

Chimney Swift has fallen sharply in Shortgrass Prairie: down 50% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Chimney Swift in Shortgrass Prairie is projected to rise about 34% by 2028 — from 0.11 in 2023 to a central estimate of 0.14 (95% range 0.00–0.40). A 5-year backtest shows a typical error of ±26.7%, with 100% of held-out values landing inside the 95% band.

+34%Change by 2028
0.14Projected 2028 index
0.00–0.4095% range
±26.7%Backtest error
19672028
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
20240.150.000.41
20250.150.000.40
20260.150.000.40
20270.150.000.40
20280.140.000.40

Routes In Shortgrass Prairie

Routes recording Chimney Swift in Shortgrass Prairie.
TwichellTEXAS72018
BurlingtonCOLORADO62014
RuletonKANSAS61995
FeltOKLAHOMA61988
PostTEXAS42019
LamesaTEXAS42023
FlemingCOLORADO32023
PaxtonNEBRASKA32016
BenkelmanNEBRASKA32017
Murray LakeNEBRASKA32008
ChanningTEXAS31994
PanhandleTEXAS32022
AmherstCOLORADO22021
JulesburgCOLORADO22019
WallaceKANSAS22000
LeotiKANSAS22001
DaltonNEBRASKA22014
KimballNEBRASKA22022
Clear LakeOKLAHOMA22015
HookerOKLAHOMA22019
CircleTEXAS22019
ClaytonvilleTEXAS21995
FrionaTEXAS22022
WaverlyCOLORADO12018
Fort MorganCOLORADO12023

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