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

Northern Mockingbird In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyGeneralists

Northern Mockingbird in Mississippi Alluvial Valley has declined: down 44% on the route-weighted index since 1968.

-44%Since 1968
73Routes In Region
58Years

Notable Signals

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

Forecast

If the recent trend holds, Northern Mockingbird in Mississippi Alluvial Valley is projected to rise about 31% by 2029 — from 20 in 2024 to a central estimate of 26 (95% range 15–37). A 5-year backtest shows a typical error of ±73.8%, with 20% of held-out values landing inside the 95% band.

+31%Change by 2029
26Projected 2029 index
15–3795% range
±73.8%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
2025261537
2026261537
2027261537
2028261537
2029261537

Routes In Mississippi Alluvial Valley

Routes recording Northern Mockingbird in Mississippi Alluvial Valley.
KeystoneLOUISIANA1142013
CarlisleLOUISIANA911988
River RoadLOUISIANA682024
BrousvilleLOUISIANA652024
MayflowerLOUISIANA462024
RayvilleLOUISIANA452008
GonzalesLOUISIANA452019
Rayville 2LOUISIANA442024
ConcordLOUISIANA442019
SaffellARKANSAS432019
Baton RougeLOUISIANA422024
RoselandLOUISIANA402024
GibsonLOUISIANA402019
KelsoARKANSAS362016
ShawLOUISIANA352024
DelhiLOUISIANA352021
Morgan CityLOUISIANA341986
KraemerLOUISIANA322024
Tchula 2MISSISSIPPI311994
FloydLOUISIANA302021
FrogmoreLOUISIANA272024
EnglandARKANSAS262024
BelairLOUISIANA232024
WhittonARKANSAS221991
HarrisburgARKANSAS212019

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