BirdAnalyst
Species · BCR 22 · BBS 2025 Release · 1966–2024

Acadian Flycatcher In Eastern Tallgrass Prairie

All regionsEastern Tallgrass PrairieAerial insectivores

Acadian Flycatcher in Eastern Tallgrass Prairie has surged: up 149% on the route-weighted index since 1968.

+149%Since 1968
151Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Acadian Flycatcher has surged in Eastern Tallgrass Prairie: up 149% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Acadian Flycatcher in Eastern Tallgrass Prairie is projected to fall about 26% by 2029 — from 0.49 in 2024 to a central estimate of 0.36 (95% range 0.21–0.52). A 5-year backtest shows a typical error of ±44.2%, with 20% of held-out values landing inside the 95% band.

-26%Change by 2029
0.36Projected 2029 index
0.21–0.5295% range
±44.2%Backtest error
19662029
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
20250.350.190.50
20260.350.200.51
20270.350.200.51
20280.360.200.52
20290.360.210.52

Routes In Eastern Tallgrass Prairie

Routes recording Acadian Flycatcher in Eastern Tallgrass Prairie.
BelleviewILLINOIS202024
WallaceINDIANA102024
MoselleMISSOURI62024
St MorganILLINOIS52022
Witts StationINDIANA42024
MelroseIOWA41979
House SpringsMISSOURI42023
HarveysburgOHIO41996
ChandlervillILLINOIS31972
BradburyILLINOIS32024
Mascoutah LkILLINOIS32024
MarshallILLINOIS32024
HuntsvilleMISSOURI32024
AthensvilleILLINOIS22022
PawneeILLINOIS21978
ClarksdaleILLINOIS22021
ColumbiaILLINOIS22023
RobinsonILLINOIS22022
Camp PointILLINOIS22023
YaleILLINOIS22022
PaysonILLINOIS22024
EubanksILLINOIS22024
GalvestonINDIANA22022
ThorntownINDIANA22011
BerneINDIANA22022

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