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

Mallard In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainWaterfowl

Mallard in Southeastern Coastal Plain has surged: up 784% on the route-weighted index since 1968.

+784%Since 1968
140Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Mallard has surged in Southeastern Coastal Plain: up 784% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Mallard in Southeastern Coastal Plain is projected to rise about 26% by 2029 — from 0.30 in 2024 to a central estimate of 0.37 (95% range 0.21–0.53). A 5-year backtest shows a typical error of ±56.3%, with 60% of held-out values landing inside the 95% band.

+26%Change by 2029
0.37Projected 2029 index
0.21–0.5395% range
±56.3%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
20250.350.190.51
20260.350.190.52
20270.360.200.52
20280.370.200.53
20290.370.210.53

Routes In Southeastern Coastal Plain

Routes recording Mallard in Southeastern Coastal Plain.
MaconMISSISSIPPI272024
CorinthMISSISSIPPI152012
MattamuskeetNORTH-CAROLINA142007
Myrtle GroveNORTH-CAROLINA102024
DeepstepGEORGIA82011
FinleysonGEORGIA82017
Grenada LakeMISSISSIPPI72016
NewsomsVIRGINIA72001
Mt. GileadALABAMA62006
St. ElmoALABAMA62007
WagenerSOUTH-CAROLINA62018
EpesALABAMA52024
HeliconALABAMA52015
Coffee CoGEORGIA52015
OwensboroGEORGIA52019
ShilohKENTUCKY52008
Old TrapNORTH-CAROLINA52023
WallsboroALABAMA42003
CalebeeALABAMA42009
Doctors Inlet 2FLORIDA42018
OusleyGEORGIA42022
Pearl RiverLOUISIANA42015
Okatibbee L.MISSISSIPPI41995
Cypress CrNORTH-CAROLINA42006
HertfordNORTH-CAROLINA42024

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