Species · Wisconsin · BBS 2025 Release · 1966–2024
Ruby-crowned Kinglet Population Trend in Wisconsin
Ruby-crowned Kinglet in Wisconsin has fallen sharply: down 65% on the route-weighted index since 1969.
-65%Since 1969
25Routes In State
50Years
Notable Ruby-crowned Kinglet Trends in Wisconsin
long arc declinecomputed index
Ruby-crowned Kinglet has fallen sharply in Wisconsin: down 65% on the route-weighted index since 1969.
Ruby-crowned Kinglet Population Forecast in Wisconsin
If the recent trend holds, Ruby-crowned Kinglet in Wisconsin is projected to fall about 100% by 2028 — from 0.07 in 2023 to a central estimate of 0.00 (95% range 0.00–0.09). A 5-year backtest shows a typical error of ±143.9%, with 80% of held-out values landing inside the 95% band.
-100%Change by 2028
0.00Projected 2028 index
0.00–0.0995% range
±143.9%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2024 | 0.00 | 0.00 | 0.09 |
| 2025 | 0.00 | 0.00 | 0.09 |
| 2026 | 0.00 | 0.00 | 0.09 |
| 2027 | 0.00 | 0.00 | 0.09 |
| 2028 | 0.00 | 0.00 | 0.09 |
Ruby-crowned Kinglet Survey Routes in Wisconsin
| Shanagolden | 2 | 2019 | 1970 |
| Cavour | 2 | 2023 | 1998 |
| Chaffey | 1 | 2011 | 1976 |
| Iron River | 1 | 2022 | 1967 |
| Minong | 1 | 1993 | 1975 |
| Grand View | 1 | 1973 | 1973 |
| Bayfield | 1 | 2010 | 1974 |
| Montreal | 1 | 2023 | 1974 |
| Land O Lakes | 1 | 2016 | 1969 |
| Phillips | 1 | 2019 | 1982 |
| Rib Lake | 1 | 1978 | 1978 |
| Irma | 1 | 1985 | 1972 |
| Mcnaughton | 1 | 1987 | 1979 |
| Eagle River | 1 | 2023 | 1967 |
| Popple River | 1 | 2023 | 1968 |
| Crandon | 1 | 1987 | 1971 |
| Hollister | 1 | 2006 | 1998 |
| Amberg | 1 | 1991 | 1987 |
| Wausaukee | 1 | 2001 | 1981 |
| Washington I | 1 | 1973 | 1973 |
| Manawa | 1 | 1983 | 1983 |
| Mellen | 1 | 2023 | 2022 |
| Conover | 1 | 2021 | 2009 |
| Manitowoc | 1 | 1990 | 1990 |
| Rhinelander | 1 | 2019 | 1999 |
Ruby-crowned Kinglet Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.