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

Ruby-throated Hummingbird In Appalachian Mountains

Ruby-throated Hummingbird in Appalachian Mountains has surged: up 141% on the route-weighted index since 1968.

+141%Since 1968
392Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Ruby-throated Hummingbird has surged in Appalachian Mountains: up 141% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Ruby-throated Hummingbird in Appalachian Mountains is projected to rise about 73% by 2029 — from 0.58 in 2024 to a central estimate of 1.00 (95% range 0.65–1.3). A 5-year backtest shows a typical error of ±60.2%, with 0% of held-out values landing inside the 95% band.

+73%Change by 2029
1.00Projected 2029 index
0.651.395% range
±60.2%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
20250.950.611.3
20260.960.621.3
20270.970.631.3
20280.990.641.3
20291.000.651.3

Routes In Appalachian Mountains

Routes recording Ruby-throated Hummingbird in Appalachian Mountains.
Lost RiverWEST-VIRGINIA72019
Cumberlnd GpKENTUCKY62018
FinzelMARYLAND62024
BrevardNORTH-CAROLINA62024
StaffordsvilKENTUCKY51997
S Berne 2NEW-YORK52024
Rural RetrtVIRGINIA52023
New MarketVIRGINIA52022
WashburnWEST-VIRGINIA52022
DrummondALABAMA42021
MurphyNORTH-CAROLINA42018
KaylorPENNSYLVANIA42021
W AugustaVIRGINIA42024
MartinsburgWEST-VIRGINIA42007
TradeALABAMA32011
MaytownALABAMA32023
WoodvilleALABAMA32024
Pippa PassesKENTUCKY31997
WilliamsportMARYLAND32023
SmithsburgMARYLAND32011
MilfordNEW-YORK32019
CullowheeNORTH-CAROLINA32024
BusickNORTH-CAROLINA31999
New MarshfldOHIO32018
Coal RunOHIO31991

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