BirdAnalyst
Species · BCR 27 · BBS 2025 Release · 1966–2024

Purple Martin In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainAerial insectivores

Purple Martin in Southeastern Coastal Plain has edged down: down 24% on the route-weighted index since 1968.

-24%Since 1968
340Routes In Region
58Years

Notable Signals

No notable trend signals for Purple Martin in Southeastern Coastal Plain. See the full index history below.

Forecast

If the recent trend holds, Purple Martin in Southeastern Coastal Plain is projected to stay roughly flat through 2029, near 11 (95% range 6.9–16). A 5-year backtest shows a typical error of ±16%, with 100% of held-out values landing inside the 95% band.

+9%Change by 2029
11Projected 2029 index
6.9–1695% range
±16%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
2025127.216
2026127.116
2027127.016
2028127.016
2029116.916

Routes In Southeastern Coastal Plain

Routes recording Purple Martin in Southeastern Coastal Plain.
Okatibbee L.MISSISSIPPI3042008
ShallotteNORTH-CAROLINA941991
OusleyGEORGIA882024
GrangeburgALABAMA742024
DoverGEORGIA622024
ErnulNORTH-CAROLINA612009
New HopeFLORIDA582011
JamesvilleNORTH-CAROLINA572024
LibertyALABAMA552022
BrundidgeALABAMA522021
ElamvilleALABAMA482024
FairviewALABAMA462024
MansfieldTENNESSEE462024
MclellanALABAMA452024
Mt CarmelMISSISSIPPI442016
JarvisburgNORTH-CAROLINA441999
WorkmoreGEORGIA432019
Rock ChapelALABAMA382024
LyonsGEORGIA361994
ArapahoeNORTH-CAROLINA361995
LakeviewGEORGIA352024
BeargrassNORTH-CAROLINA351981
FoleyALABAMA341984
WadleyGEORGIA342024
Latimer 2MISSISSIPPI342023

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