Species · Wisconsin · BBS 2025 Release · 1966–2024
Boreal Chickadee Population Trend in Wisconsin
Boreal Chickadee in Wisconsin has declined: down 44% on the route-weighted index since 1973.
-44%Since 1973
5Routes In State
12Years
Notable Boreal Chickadee Trends in Wisconsin
No notable trend signals for Boreal Chickadee in Wisconsin. See the full index history below.
Boreal Chickadee Survey Routes in Wisconsin
| Shanagolden | 2 | 2000 | 1998 |
| Irma | 1 | 1981 | 1980 |
| Eagle River | 1 | 1997 | 1971 |
| Popple River | 1 | 1977 | 1971 |
| Crandon | 1 | 1972 | 1972 |
Boreal Chickadee Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.