Species · BCR 29 · BBS 2025 Release · 1966–2024

Ruby-throated Hummingbird In Piedmont

Ruby-throated Hummingbird in Piedmont has risen sharply: up 58% on the route-weighted index since 1968.

+58%Since 1968
154Routes In Region
58Years

Notable Signals

long arc increasecomputed index

Ruby-throated Hummingbird has risen sharply in Piedmont: up 58% on the route-weighted index since 1968.

Forecast

If the recent trend holds, Ruby-throated Hummingbird in Piedmont is projected to rise about 137% by 2029 — from 0.37 in 2024 to a central estimate of 0.87 (95% range 0.54–1.2). A 5-year backtest shows a typical error of ±46%, with 80% of held-out values landing inside the 95% band.

+137%Change by 2029
0.87Projected 2029 index
0.541.295% range
±46%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
20250.830.511.2
20260.840.521.2
20270.850.521.2
20280.860.531.2
20290.870.541.2

Routes In Piedmont

Routes recording Ruby-throated Hummingbird in Piedmont.
FinchleyVIRGINIA82021
Little MtnSOUTH-CAROLINA51988
JordanNORTH-CAROLINA42008
CherryvilleNORTH-CAROLINA41966
MetasvilleGEORGIA32000
WhitesburgGEORGIA32024
ElamsvilleVIRGINIA32014
RinggoldVIRGINIA32023
AppomattoxVIRGINIA32024
MillervilleALABAMA22023
Liberty CityALABAMA22009
WedoweeALABAMA22022
CrestGEORGIA22018
SiloamGEORGIA22013
HiramGEORGIA22018
JulietteGEORGIA22024
Lincolnton 2GEORGIA22023
Curry HillGEORGIA22019
Good HopeGEORGIA22024
EmmitsburgMARYLAND22024
OlneyMARYLAND22024
EkloMARYLAND22018
MadonnaMARYLAND22022
EarltonMARYLAND22022
MooresvilleNORTH-CAROLINA22001

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