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

Ruby-throated Hummingbird In Mississippi Alluvial Valley

Ruby-throated Hummingbird in Mississippi Alluvial Valley has declined: down 44% on the route-weighted index since 1968.

-44%Since 1968
66Routes In Region
58Years

Notable Signals

No notable trend signals for Ruby-throated Hummingbird in Mississippi Alluvial Valley. See the full index history below.

Forecast

If the recent trend holds, Ruby-throated Hummingbird in Mississippi Alluvial Valley is projected to rise about 65% by 2029 — from 0.39 in 2024 to a central estimate of 0.65 (95% range 0.04–1.3). A 5-year backtest shows a typical error of ±22.9%, with 100% of held-out values landing inside the 95% band.

+65%Change by 2029
0.65Projected 2029 index
0.041.395% range
±22.9%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
20250.690.071.3
20260.680.061.3
20270.670.061.3
20280.660.051.3
20290.650.041.3

Routes In Mississippi Alluvial Valley

Routes recording Ruby-throated Hummingbird in Mississippi Alluvial Valley.
Crowley'S RidgeARKANSAS62022
KraemerLOUISIANA62023
DundeeMISSISSIPPI62021
ConcordLOUISIANA42019
Port AllenLOUISIANA42010
Tchula 2MISSISSIPPI41994
Delta N.F.MISSISSIPPI42016
AugustaARKANSAS31997
KeystoneLOUISIANA32006
TchulaMISSISSIPPI31975
Dahomey NwrMISSISSIPPI32023
HarrisburgARKANSAS22019
WhittonARKANSAS21991
MaynardARKANSAS22022
WilsonARKANSAS22012
FloydLOUISIANA22019
TransylvaniaLOUISIANA22022
River RoadLOUISIANA22024
Baton RougeLOUISIANA22024
Panther Swamp NwrMISSISSIPPI22017
KennettMISSOURI22024
TiptonvilleTENNESSEE22022
PawpawTENNESSEE22009
EudoraARKANSAS12014
HughesARKANSAS12017

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