BirdAnalyst
Species · BCR 12 · BBS 2025 Release · 1966–2024

American Robin In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionForest birds

American Robin in Boreal Hardwood Transition has held roughly steady: down 2% on the route-weighted index since 1968.

-2%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 →
127Routes 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 →
58YearsYears 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 Boreal Hardwood Transition. See the full index history below.

American Robin In Boreal Hardwood Transition Population Forecast

If the recent trend holds, American Robin in Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 30 (95% range 24–37). A 5-year backtest shows a typical error of ±15%, with 80% of held-out values landing inside the 95% band.

-1%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 →
30Projected 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 →
24–3795% 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 →
±15%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 Boreal Hardwood Transition is projected to stay roughly flat through 2029, near 30 (95% range 24–37). A 5-year backtest shows a typical error of ±15%, with 80% of held-out values landing inside the 95% band.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 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 →
2025312437
2026302437
2027302437
2028302437
2029302437

Routes In Boreal Hardwood Transition

Routes recording American Robin in Boreal Hardwood Transition.
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 →
CunardMICHIGAN732021
PhillipsWISCONSIN672024
SkeelsMICHIGAN632015
Amnicon FallsWISCONSIN622024
Rib LakeWISCONSIN602024
IrmaWISCONSIN592024
Washington IWISCONSIN592024
PickfordMICHIGAN572024
Pleasant Valley 2MICHIGAN572024
GilmanWISCONSIN572024
Traverse CtyMICHIGAN521992
IronsMICHIGAN501989
HarriettaMICHIGAN502024
CouderayWISCONSIN492019
Bear LakeMICHIGAN482024
OberlinMICHIGAN482024
MayfieldMICHIGAN462022
WarroadMINNESOTA462024
ShingletonMICHIGAN452024
Sand LakeMICHIGAN452024
ShanagoldenWISCONSIN452024
Crane LakeMINNESOTA442024
BayfieldWISCONSIN432024
Gibbs CityMICHIGAN422024
Maple GroveMICHIGAN422024

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