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

American Robin In Southeastern Coastal Plain

All regionsSoutheastern Coastal PlainForest birds

American Robin in Southeastern Coastal Plain has edged up: up 16% on the route-weighted index since 1968.

+16%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 →
233Routes 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 American Robin in Southeastern Coastal Plain. See the full index history below.

American Robin In Southeastern Coastal Plain Population Forecast

If the recent trend holds, American Robin in Southeastern Coastal Plain is projected to stay roughly flat through 2030, near 4.0 (95% range 1.9–6.0). A 5-year backtest shows a typical error of ±53.5%, with 100% of held-out values landing inside the 95% band.

-1%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 →
4.0Projected 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 →
1.9–6.095% 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 →
±53.5%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, American Robin in Southeastern Coastal Plain is projected to stay roughly flat through 2030, near 4.0 (95% range 1.9–6.0). A 5-year backtest shows a typical error of ±53.5%, with 100% 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 →
20264.01.96.1
20274.01.96.1
20284.01.96.1
20294.01.96.1
20304.01.96.0

Routes In Southeastern Coastal Plain

Routes recording American Robin 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 →
CornlandVIRGINIA672014
St FlorianALABAMA452025
HumboldtTENNESSEE392025
ShilohKENTUCKY382025
JarvisburgNORTH-CAROLINA361999
JamesvilleNORTH-CAROLINA322025
BishopvilleSOUTH-CAROLINA302025
TupeloMISSISSIPPI292022
TibbsTENNESSEE292025
Jarvisburg 2NORTH-CAROLINA262025
DortchesNORTH-CAROLINA252025
BeargrassNORTH-CAROLINA221981
BillingsleyALABAMA202025
California 2NORTH-CAROLINA192025
LovelacevileKENTUCKY172025
FayetteMISSISSIPPI172013
Olive BranchMISSISSIPPI162001
CokesburyNORTH-CAROLINA162025
ArapahoeNORTH-CAROLINA151995
CaliforniaNORTH-CAROLINA152013
HamletNORTH-CAROLINA152025
WardSOUTH-CAROLINA152025
RheasvilleNORTH-CAROLINA142017
Mount PisgahSOUTH-CAROLINA142025
Big SandyTENNESSEE142025

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