BirdAnalyst
Species · BCR 23 · BBS 2025 Release · 1966–2024

Green-winged Teal In Prairie Hardwood Transition

All regionsPrairie Hardwood TransitionWaterfowl

Green-winged Teal in Prairie Hardwood Transition has held roughly steady: down 10% on the route-weighted index since 1970.

-10%Since 1970
32Routes In Region
40Years

Notable Signals

No notable trend signals for Green-winged Teal in Prairie Hardwood Transition. See the full index history below.

Forecast

If the recent trend holds, Green-winged Teal in Prairie Hardwood Transition is projected to stay roughly flat through 2027, near 0.02 (95% range 0.00–0.05). A 5-year backtest shows a typical error of ±52.1%, with 100% of held-out values landing inside the 95% band.

n/aChange by 2027
0.02Projected 2027 index
0.00–0.0595% range
±52.1%Backtest error
19662027
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
20230.020.000.06
20240.020.000.06
20250.020.000.06
20260.020.000.05
20270.020.000.05

Routes In Prairie Hardwood Transition

Routes recording Green-winged Teal in Prairie Hardwood Transition.
DresserWISCONSIN32016
Beaver DamWISCONSIN32008
Packertown 2INDIANA22017
LawrenceMICHIGAN21978
GalesburgMICHIGAN21994
HatfieldWISCONSIN21982
ElderonWISCONSIN21985
StetsonvilleWISCONSIN22002
NashvilleMICHIGAN11968
Chippewa Lk.MICHIGAN12004
MinnetonkaMINNESOTA12000
PrincetonMINNESOTA11985
OsseoMINNESOTA11971
KnappMINNESOTA11993
EdwardsMINNESOTA12000
EvergreenMINNESOTA11996
AshbyMINNESOTA12019
Sherburne NrMINNESOTA12005
LoraineWISCONSIN12009
CumberlandWISCONSIN11993
WeyerhauserWISCONSIN12018
MatherWISCONSIN12010
Wis RapidsWISCONSIN12022
Stevens PtWISCONSIN12008
ManawaWISCONSIN12004

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