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

Barn Swallow In Mississippi Alluvial Valley

Barn Swallow in Mississippi Alluvial Valley has edged down: down 13% on the route-weighted index since 1968.

-13%Since 1968
72Routes In Region
58Years

Notable Signals

No notable trend signals for Barn Swallow in Mississippi Alluvial Valley. See the full index history below.

Forecast

If the recent trend holds, Barn Swallow in Mississippi Alluvial Valley is projected to stay roughly flat through 2029, near 19 (95% range 8.7–30). A 5-year backtest shows a typical error of ±20.8%, with 100% of held-out values landing inside the 95% band.

+5%Change by 2029
19Projected 2029 index
8.73095% range
±20.8%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
2025198.630
2026198.630
2027198.730
2028198.730
2029198.730

Routes In Mississippi Alluvial Valley

Routes recording Barn Swallow in Mississippi Alluvial Valley.
KeystoneLOUISIANA1162013
BlodgettMISSOURI962024
Cp GirardeauMISSOURI612024
MaynardARKANSAS602024
DundeeMISSISSIPPI582022
PawpawTENNESSEE552012
DeventerMISSOURI502024
Port AllenLOUISIANA472024
MayflowerLOUISIANA442024
SaffellARKANSAS402019
WilsonARKANSAS402024
EnglandARKANSAS352024
TransylvaniaLOUISIANA322022
CommerceMISSISSIPPI311993
BerwickLOUISIANA272018
Eagle LakeMISSISSIPPI272024
KelsoARKANSAS262016
Augusta 2ARKANSAS252016
TchulaMISSISSIPPI251975
Pawpaw 2TENNESSEE252023
KraemerLOUISIANA212024
WintervilleMISSISSIPPI192011
HaytiMISSOURI192021
Tensas NwrLOUISIANA172023
Panther Swamp NwrMISSISSIPPI162018

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