BirdAnalyst
Species · BCR 27 · BBS 2025 Release · 1966–2024

Bald Eagle In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainGeneralists

Bald Eagle in Southeastern Coastal Plain has surged: up 611% on the route-weighted index since 1987.

+611%Since 1987TrendPercent 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 →
82Routes 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 →
35YearsYears 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 →

long arc increasecomputed indexTrend sourceWhether the figure is our own computed route-weighted index or an official USGS modeled estimate. The current build labels every trend as computed.Full methodology →

Bald Eagle has surged in Southeastern Coastal Plain: up 611% on the route-weighted index since 1987.

Bald Eagle In Southeastern Coastal Plain Population Forecast

If the recent trend holds, Bald Eagle in Southeastern Coastal Plain is projected to rise about 147% by 2029 — from 0.06 in 2024 to a central estimate of 0.14 (95% range 0.07–0.21). A 5-year backtest shows a typical error of ±49.8%, with 80% of held-out values landing inside the 95% band.

+147%Change by 2029TrendPercent 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 →
0.14Projected 2029 indexProjected indexThe central forecast of the abundance index if the recent trend continues. A projection of the current trajectory, not a prediction.Full methodology →
0.07–0.2195% 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 →
±49.8%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, Bald Eagle in Southeastern Coastal Plain is projected to rise about 147% by 2029 — from 0.06 in 2024 to a central estimate of 0.14 (95% range 0.07–0.21). A 5-year backtest shows a typical error of ±49.8%, with 80% of held-out values landing inside the 95% band.19742029
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 →
20250.130.060.20
20260.130.060.20
20270.130.070.20
20280.140.070.21
20290.140.070.21

Routes In Southeastern Coastal Plain

Routes recording Bald Eagle 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 →
Sprott-Cahaba RivALABAMA52014
St Vincent IFLORIDA42011
AutaugavilleALABAMA32003
Port St JoeFLORIDA32011
TazewellGEORGIA32019
WedgeworthALABAMA22022
HilliardFLORIDA22023
LovelacevileKENTUCKY22022
AberdeenMISSISSIPPI22016
ReelsboroNORTH-CAROLINA22018
CaytonNORTH-CAROLINA22018
PungoVIRGINIA22024
RiderwoodALABAMA12021
CastleberryALABAMA12019
Rock ChapelALABAMA12022
AppletonALABAMA12023
MadridALABAMA12005
GeorgetownALABAMA12019
Latham 2ALABAMA12021
St. ElmoALABAMA12021
Gainestown FerryALABAMA12015
BlountstownFLORIDA12008
Broad BranchFLORIDA12017
CovingtonFLORIDA11997
BelmontFLORIDA12023

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