Species · BCR 28 · BBS 2025 Release · 1966–2024

Savannah Sparrow In Appalachian Mountains

Savannah Sparrow in Appalachian Mountains has collapsed: down 78% on the route-weighted index since 1968.

-78%Since 1968
181Routes In Region
58Years

Notable Signals

long arc declinecomputed index

Savannah Sparrow has collapsed in Appalachian Mountains: down 78% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Savannah Sparrow in Appalachian Mountains is projected to fall about 43% by 2029 — from 0.41 in 2024 to a central estimate of 0.23 (95% range 0.00–0.76). A 5-year backtest shows a typical error of ±9.5%, with 100% of held-out values landing inside the 95% band.

-43%Change by 2029
0.23Projected 2029 index
0.000.7695% range
±9.5%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
20250.360.000.89
20260.330.000.86
20270.300.000.83
20280.270.000.79
20290.230.000.76

Routes In Appalachian Mountains

Routes recording Savannah Sparrow in Appalachian Mountains.
StonecreekOHIO152024
DrydenNEW-YORK132024
PortersvillePENNSYLVANIA121988
BebeeWEST-VIRGINIA112006
CentervilleNEW-YORK102015
JenningsMARYLAND62024
McdonoughNEW-YORK62017
OxfordNEW-YORK61976
Phillips CrNEW-YORK62023
SwainNEW-YORK62007
CattaraugusNEW-YORK62019
Little MarshPENNSYLVANIA52024
DenmarWEST-VIRGINIA52024
Mt NeboMARYLAND41991
MeridaleNEW-YORK42024
CoventryvileNEW-YORK42021
Vestal CtrNEW-YORK42018
GainesvilleNEW-YORK42023
RasselasPENNSYLVANIA42022
AustinvillePENNSYLVANIA42024
HonesdalePENNSYLVANIA42024
StarlightPENNSYLVANIA41992
SuttonWEST-VIRGINIA41989
AccidentMARYLAND32017
CobleskillNEW-YORK32023

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