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

Black Vulture In Mississippi Alluvial Valley

All regionsMississippi Alluvial ValleyGeneralists

Black Vulture in Mississippi Alluvial Valley has surged: up 336% on the route-weighted index since 1970.

+336%Since 1970
40Routes In Region
51Years

Notable Signals

long arc increasecomputed index

Black Vulture has surged in Mississippi Alluvial Valley: up 336% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Black Vulture in Mississippi Alluvial Valley is projected to fall about 17% by 2029 — from 6.2 in 2024 to a central estimate of 5.2 (95% range 2.9–7.5). A 5-year backtest shows a typical error of ±55.2%, with 60% of held-out values landing inside the 95% band.

-17%Change by 2029
5.2Projected 2029 index
2.9–7.595% range
±55.2%Backtest error
19672029
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
20254.82.57.1
20264.92.67.2
20275.02.77.3
20285.12.87.4
20295.22.97.5

Routes In Mississippi Alluvial Valley

Routes recording Black Vulture in Mississippi Alluvial Valley.
ShawLOUISIANA722024
EudoraARKANSAS461967
FrogmoreLOUISIANA372024
RamahLOUISIANA262024
GibsonLOUISIANA252019
BelairLOUISIANA242024
BerwickLOUISIANA192018
River RoadLOUISIANA162024
FreetownLOUISIANA142019
GonzalesLOUISIANA142019
Port AllenLOUISIANA142022
Panther Swamp NwrMISSISSIPPI142018
Eagle LakeMISSISSIPPI122024
MayflowerLOUISIANA82024
KraemerLOUISIANA72024
RoselandLOUISIANA62022
Tchula 3MISSISSIPPI62023
Delta N.F.MISSISSIPPI52008
CarlisleLOUISIANA41988
RayvilleLOUISIANA31988
Baton RougeLOUISIANA32023
TippoMISSISSIPPI32023
Warren VickMISSISSIPPI32018
SaffellARKANSAS22018
KeystoneLOUISIANA22001

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