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

Purple Martin In Mississippi Alluvial Valley

Purple Martin in Mississippi Alluvial Valley has edged up: up 18% on the route-weighted index since 1968.

+18%Since 1968
70Routes In Region
58Years

Notable Signals

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

Forecast

If the recent trend holds, Purple Martin in Mississippi Alluvial Valley is projected to rise about 58% by 2029 — from 12 in 2024 to a central estimate of 20 (95% range 5.7–34). A 5-year backtest shows a typical error of ±160.2%, with 20% of held-out values landing inside the 95% band.

+58%Change by 2029
20Projected 2029 index
5.73495% range
±160.2%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
2025195.433
2026195.533
2027205.633
2028205.733
2029205.734

Routes In Mississippi Alluvial Valley

Routes recording Purple Martin in Mississippi Alluvial Valley.
CarlisleLOUISIANA1951988
Morgan CityLOUISIANA1251986
River RoadLOUISIANA1152024
LaroseLOUISIANA691992
KeystoneLOUISIANA492013
Pawpaw 2TENNESSEE492023
BlodgettMISSOURI422024
HaytiMISSOURI392021
GibsonLOUISIANA372019
SaffellARKANSAS362019
BrousvilleLOUISIANA352024
BerwickLOUISIANA342018
Cp GirardeauMISSOURI322024
MayflowerLOUISIANA302024
FloydLOUISIANA302021
KraemerLOUISIANA252024
FreetownLOUISIANA232019
ConcordLOUISIANA212019
TiptonvilleTENNESSEE192023
Rayville 2LOUISIANA182024
DellARKANSAS162024
EnglandARKANSAS162024
GonzalesLOUISIANA152019
Tchula 3MISSISSIPPI152021
EudoraARKANSAS142016

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