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

Mottled Duck In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainWaterfowl

Mottled Duck in Southeastern Coastal Plain has declined: down 48% on the route-weighted index since 1992.

-48%Since 1992
9Routes In Region
26Years

Notable Signals

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

Forecast

If the recent trend holds, Mottled Duck in Southeastern Coastal Plain is projected to stay roughly flat through 2026, near 0.01 (95% range 0.00–0.04). A 5-year backtest shows a typical error of ±146.4%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2026
0.01Projected 2026 index
0.00–0.0495% range
±146.4%Backtest error
19862026
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
20220.020.000.04
20230.020.000.04
20240.020.000.04
20250.010.000.04
20260.010.000.04

Routes In Southeastern Coastal Plain

Routes recording Mottled Duck in Southeastern Coastal Plain.
LovedaleFLORIDA21997
NecaiseMISSISSIPPI22001
Latimer 2MISSISSIPPI22021
Holly HillSOUTH-CAROLINA21994
Dauphin IsALABAMA11986
Dauphin Is 2ALABAMA12014
Chacaloochee BayALABAMA12016
LatimerMISSISSIPPI12018
Kiawah IslandSOUTH-CAROLINA12009

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