BirdAnalyst
Species · BCR 27 · BBS 2026 Release · 1966–2025

Ruby-throated Hummingbird In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainForest birds

Ruby-throated Hummingbird in Southeastern Coastal Plain has edged up: up 19% on the route-weighted index since 1968.

+19%Since 1968TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
314Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
59YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

No notable trend signals for Ruby-throated Hummingbird in Southeastern Coastal Plain. See the full index history below.

Ruby-throated Hummingbird In Southeastern Coastal Plain Population Forecast

If the recent trend holds, Ruby-throated Hummingbird in Southeastern Coastal Plain is projected to rise about 69% by 2030 — from 0.52 in 2025 to a central estimate of 0.87 (95% range 0.59–1.2). A 5-year backtest shows a typical error of ±62%, with 0% of held-out values landing inside the 95% band.

+69%Change by 2030TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
0.87Projected 2030 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.59–1.295% range95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
±62%Backtest errorBacktest errorTypical error when we hold out the most recent years, forecast them, and compare to what actually happened. Lower means a more trustworthy projection.Full methodology →
If the recent trend holds, Ruby-throated Hummingbird in Southeastern Coastal Plain is projected to rise about 69% by 2030 — from 0.52 in 2025 to a central estimate of 0.87 (95% range 0.59–1.2). A 5-year backtest shows a typical error of ±62%, with 0% of held-out values landing inside the 95% band.19662030
Projection of the recent trend (dashed) with 80/95% bands — a projection, not a prediction. Habitat, climate, and land use are not modeled.
YearProjected indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →95% low95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →95% high95% rangeThe 95% uncertainty band around the projection at the forecast horizon. The true value should land inside it most of the time.Full methodology →
20260.840.561.1
20270.850.571.1
20280.860.571.1
20290.860.581.1
20300.870.591.2

Routes In Southeastern Coastal Plain

Routes recording Ruby-throated Hummingbird in Southeastern Coastal Plain.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
Big SandyTENNESSEE112025
DeepstepGEORGIA72023
MattamuskeetNORTH-CAROLINA72021
JacksonNORTH-CAROLINA72017
MansfieldTENNESSEE72025
CarrolltonALABAMA62025
DolesGEORGIA52017
Okatibbee L.MISSISSIPPI52007
LindenALABAMA42023
GastonburgALABAMA42024
Sandy CreekMISSISSIPPI41998
Trace MadisonMISSISSIPPI42019
Oak Ridge VickMISSISSIPPI42018
SilertonTENNESSEE42024
CornlandVIRGINIA42014
WallsboroALABAMA32021
BrundidgeALABAMA32017
WhitehouseALABAMA32025
EpesALABAMA32024
Sprott-Cahaba RivALABAMA32014
SandersonFLORIDA32021
Doctor InletFLORIDA31993
Miller XrdsFLORIDA32018
JacksonboroGEORGIA32018
Thornton RoadGEORGIA32006

Source: USGS North American Breeding Bird Survey, retrieved 2026-08-14.