BirdAnalyst
Species · BCR 17 · BBS 2025 Release · 1966–2024

Swainson's Hawk In Badlands and Prairies

All regionsBadlands and PrairiesGeneralists

Swainson's Hawk in Badlands and Prairies has increased: up 47% on the route-weighted index since 1969.

+47%Since 1969
104Routes In Region
57Years

Notable Signals

No notable trend signals for Swainson's Hawk in Badlands and Prairies. See the full index history below.

Forecast

If the recent trend holds, Swainson's Hawk in Badlands and Prairies is projected to rise about 26% by 2029 — from 0.63 in 2024 to a central estimate of 0.79 (95% range 0.43–1.2). A 5-year backtest shows a typical error of ±32.7%, with 100% of held-out values landing inside the 95% band.

+26%Change by 2029
0.79Projected 2029 index
0.43–1.295% range
±32.7%Backtest error
19672029
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
20250.770.411.1
20260.780.421.1
20270.780.421.1
20280.790.431.1
20290.790.431.2

Routes In Badlands and Prairies

Routes recording Swainson's Hawk in Badlands and Prairies.
CircleMONTANA102021
GorhamNORTH-DAKOTA62018
MarcusSOUTH-DAKOTA52003
CarsonNORTH-DAKOTA42024
ClarkelenWYOMING41978
FlatwillowMONTANA32006
WebsterMONTANA32024
Wheat BasinMONTANA32024
Chuffey SpringMONTANA32019
DickinsonNORTH-DAKOTA32024
Glen UllinNORTH-DAKOTA32022
MaurineSOUTH-DAKOTA32024
IsabelSOUTH-DAKOTA32015
BadlandsSOUTH-DAKOTA32001
HighlightWYOMING32007
NewcastleWYOMING32024
RoyMONTANA22023
BrusettMONTANA22011
JordanMONTANA22024
LocateMONTANA22006
Flatwillow 2MONTANA22011
Dinosaurs H.M.MONTANA22024
LindsayMONTANA22024
Coleman CouleeMONTANA22023
Ft YatesNORTH-DAKOTA22004

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