Species · Mississippi · BBS 2025 Release · 1966–2024

Purple Martin Population Trend in Mississippi

Purple Martin in Mississippi has fallen sharply: down 55% on the route-weighted index since 1968.

-55%Since 1968
69Routes In State
58Years

Notable Purple Martin Trends in Mississippi

long arc declinecomputed index

Purple Martin has fallen sharply in Mississippi: down 55% on the route-weighted index since 1968.

Purple Martin Population Forecast in Mississippi

If the recent trend holds, Purple Martin in Mississippi is projected to rise about 156% by 2029 — from 3.2 in 2024 to a central estimate of 8.1 (95% range 0.00–18). A 5-year backtest shows a typical error of ±153.1%, with 100% of held-out values landing inside the 95% band.

+156%Change by 2029
8.1Projected 2029 index
0.001895% range
±153.1%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
20258.60.0019
20268.50.0019
20278.40.0018
20288.20.0018
20298.10.0018

Purple Martin Survey Routes in Mississippi

Routes recording Purple Martin in Mississippi.
Okatibbee L.30420081995
Mt Carmel4420161974
Latimer 23420232021
Cybur3220191966
Fontainbleau3119781966
Lucien2720081967
Olive Branch 22720222017
Macon2420241966
Columbia2220181969
Poplarville1919781972
Benndale1920231974
Scooba1619821967
Tchula 31520211995
Olive Branch1420011969
Diberville1319871979
Fayette1220131966
Cockrum1220241967
Waynesboro1220101966
Isola1020221968
Necaise920221982
Amite River820122008
Lake720241966
Neely720121974
Trace Madison720162015
Lake Mary619891974

Purple Martin Population Trend in Other States

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