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

Ruby-crowned Kinglet In Boreal Hardwood Transition

All regionsBoreal Hardwood TransitionForest birds

Ruby-crowned Kinglet in Boreal Hardwood Transition has held roughly steady: down 6% on the route-weighted index since 1969.

-6%Since 1969
88Routes In Region
57Years

Notable Signals

No notable trend signals for Ruby-crowned Kinglet in Boreal Hardwood Transition. See the full index history below.

Forecast

If the recent trend holds, Ruby-crowned Kinglet in Boreal Hardwood Transition is projected to rise about 39% by 2029 — from 0.33 in 2024 to a central estimate of 0.46 (95% range 0.08–0.85). A 5-year backtest shows a typical error of ±27.3%, with 80% of held-out values landing inside the 95% band.

+39%Change by 2029
0.46Projected 2029 index
0.08–0.8595% range
±27.3%Backtest error
19672029
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
20250.470.090.86
20260.470.090.86
20270.470.080.85
20280.470.080.85
20290.460.080.85

Routes In Boreal Hardwood Transition

Routes recording Ruby-crowned Kinglet in Boreal Hardwood Transition.
Seney NwrMICHIGAN72019
HovlandMINNESOTA52022
Cluster LakesMICHIGAN42009
Sawbill CampMINNESOTA42024
OntonagonMICHIGAN32019
Sawbill LndgMINNESOTA32024
Sherry LakeMINNESOTA32018
BabbittMINNESOTA32023
ChisholmMINNESOTA32024
MareniscoMICHIGAN22019
HermanMICHIGAN22022
Gibbs CityMICHIGAN22024
CreightonMICHIGAN22015
Imp LakeMICHIGAN22019
BackusMINNESOTA21978
Hart LakeMINNESOTA22024
BemidjiMINNESOTA21980
Crane LakeMINNESOTA22022
Little ForkMINNESOTA22023
JordanMINNESOTA22022
Red LakeMINNESOTA22024
Nett LakeMINNESOTA22018
ShanagoldenWISCONSIN22019
CavourWISCONSIN22023
BerglandMICHIGAN12019

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