Species · BCR 26 · BBS 2025 Release · 1966–2024

Acadian Flycatcher In Mississippi Alluvial Valley

Acadian Flycatcher in Mississippi Alluvial Valley has surged: up 300% on the route-weighted index since 1969.

+300%Since 1969
52Routes In Region
57Years

Notable Signals

long arc increasecomputed index

Acadian Flycatcher has surged in Mississippi Alluvial Valley: up 300% on the route-weighted index since 1969.

Forecast

If the recent trend holds, Acadian Flycatcher in Mississippi Alluvial Valley is projected to rise about 25% by 2029 — from 3.0 in 2024 to a central estimate of 3.7 (95% range 2.3–5.2). A 5-year backtest shows a typical error of ±13.6%, with 100% of held-out values landing inside the 95% band.

+25%Change by 2029
3.7Projected 2029 index
2.35.295% range
±13.6%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
20253.52.15.0
20263.62.15.0
20273.62.25.1
20283.72.25.1
20293.72.35.2

Routes In Mississippi Alluvial Valley

Routes recording Acadian Flycatcher in Mississippi Alluvial Valley.
Delta N.F.MISSISSIPPI282021
Crowley'S RidgeARKANSAS262024
Warren VickMISSISSIPPI242022
Tensas NwrLOUISIANA232024
AtchafalayaLOUISIANA162024
South BendARKANSAS122023
Bardwell 2KENTUCKY92024
FrogmoreLOUISIANA62024
BardwellKENTUCKY52003
DundeeMISSISSIPPI42022
HughesARKANSAS32023
SaffellARKANSAS32016
ShawLOUISIANA32024
WintervilleMISSISSIPPI32011
WhittonARKANSAS21991
MaynardARKANSAS22023
GillettARKANSAS22024
FreetownLOUISIANA21985
ConcordLOUISIANA22019
Port AllenLOUISIANA22024
CommerceMISSISSIPPI21981
Dahomey NwrMISSISSIPPI22024
DeventerMISSOURI22023
Cp GirardeauMISSOURI22024
TiptonvilleTENNESSEE22023

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