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

Willow Flycatcher In Badlands and Prairies

All regionsBadlands and PrairiesAerial insectivores

Willow Flycatcher in Badlands and Prairies has surged: up 279% on the route-weighted index since 1970.

+279%Since 1970
54Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Willow Flycatcher has surged in Badlands and Prairies: up 279% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Willow Flycatcher in Badlands and Prairies is projected to rise about 47% by 2029 — from 0.43 in 2024 to a central estimate of 0.63 (95% range 0.41–0.85). A 5-year backtest shows a typical error of ±26%, with 100% of held-out values landing inside the 95% band.

+47%Change by 2029
0.63Projected 2029 index
0.41–0.8595% range
±26%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
20250.590.380.81
20260.600.390.82
20270.610.400.83
20280.620.410.84
20290.630.410.85

Routes In Badlands and Prairies

Routes recording Willow Flycatcher in Badlands and Prairies.
MoskeeWYOMING132000
DaytonWYOMING112024
LaplantSOUTH-DAKOTA71990
DickinsonNORTH-DAKOTA62024
Glen UllinNORTH-DAKOTA52022
ZapNORTH-DAKOTA42019
Moskee 2WYOMING42013
PowdervilleMONTANA32017
TobaccoNORTH-DAKOTA32019
BentleyNORTH-DAKOTA32024
EnglewoodSOUTH-DAKOTA32017
RochfordSOUTH-DAKOTA32017
MayoworthWYOMING32018
Two DotMONTANA22024
Hehn DrawMONTANA22024
Cedar CreekNORTH-DAKOTA22022
CarsonNORTH-DAKOTA22024
Black FoxSOUTH-DAKOTA22003
RedbirdWYOMING21979
HighwoodMONTANA12024
ShawmutMONTANA12002
FlatwillowMONTANA12003
ForsythMONTANA12017
Reed PointMONTANA11996
BrandenbergMONTANA11992

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