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

Common Loon In Boreal Hardwood Transition

Common Loon in Boreal Hardwood Transition has held roughly steady: down 1% on the route-weighted index since 1968.

-1%Since 1968
112Routes In Region
58Years

Notable Signals

No notable trend signals for Common Loon in Boreal Hardwood Transition. See the full index history below.

Forecast

If the recent trend holds, Common Loon in Boreal Hardwood Transition is projected to rise about 29% by 2029 — from 1.1 in 2024 to a central estimate of 1.4 (95% range 0.92–1.9). A 5-year backtest shows a typical error of ±60.5%, with 20% of held-out values landing inside the 95% band.

+29%Change by 2029
1.4Projected 2029 index
0.921.995% range
±60.5%Backtest error
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 index95% low95% high
20251.40.901.9
20261.40.911.9
20271.40.911.9
20281.40.921.9
20291.40.921.9

Routes In Boreal Hardwood Transition

Routes recording Common Loon in Boreal Hardwood Transition.
BemidjiMINNESOTA121980
NebishMINNESOTA102023
DebsMINNESOTA92024
BagleyMINNESOTA62006
Tamarac NwrMINNESOTA62024
ConoverWISCONSIN62024
BigforkMINNESOTA52024
BlackduckMINNESOTA52022
Ned LakeMICHIGAN42024
CohassetMINNESOTA42022
BabbittMINNESOTA42022
Land O' Lakes 2WISCONSIN42024
FredericMICHIGAN32001
Imp LakeMICHIGAN32019
Betchler LksMICHIGAN32024
Pine RiverMINNESOTA32024
BenaMINNESOTA31967
Grand ViewWISCONSIN32024
Land O LakesWISCONSIN32016
Union TwpWISCONSIN32023
FlambeauWISCONSIN32024
BerglandMICHIGAN22019
HermanMICHIGAN22015
Gibbs CityMICHIGAN22024
CunardMICHIGAN22018

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