Species · Montana · BBS 2025 Release · 1966–2024
Ruby-crowned Kinglet Population Trend in Montana
Ruby-crowned Kinglet in Montana has risen sharply: up 51% on the route-weighted index since 1970.
+51%Since 1970
52Routes In State
56Years
Notable Ruby-crowned Kinglet Trends in Montana
long arc increasecomputed index
Ruby-crowned Kinglet has risen sharply in Montana: up 51% on the route-weighted index since 1970.
Ruby-crowned Kinglet Population Forecast in Montana
If the recent trend holds, Ruby-crowned Kinglet in Montana is projected to rise about 73% by 2029 — from 3.6 in 2024 to a central estimate of 6.3 (95% range 3.7–8.9). A 5-year backtest shows a typical error of ±72.4%, with 20% of held-out values landing inside the 95% band.
+73%Change by 2029
6.3Projected 2029 index
3.7–8.995% range
±72.4%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 6.0 | 3.4 | 8.6 |
| 2026 | 6.1 | 3.5 | 8.7 |
| 2027 | 6.2 | 3.6 | 8.7 |
| 2028 | 6.2 | 3.6 | 8.8 |
| 2029 | 6.3 | 3.7 | 8.9 |
Ruby-crowned Kinglet Survey Routes in Montana
| Pagil Gulch | 35 | 2024 | 2015 |
| Hebgen Lake | 29 | 2024 | 2017 |
| Sula | 26 | 2024 | 1977 |
| Cramer Creek | 23 | 2019 | 1994 |
| Skalkho-Rye | 23 | 2022 | 1999 |
| Maynard Coulee | 23 | 2024 | 2017 |
| Woodman | 18 | 2024 | 1968 |
| East Glacier Park | 16 | 2024 | 2015 |
| Fish Creek | 16 | 2024 | 1995 |
| Greenough | 15 | 2004 | 1996 |
| Pryor Mtn. | 14 | 2024 | 1995 |
| Chestnut | 14 | 2024 | 1968 |
| Greenoagh 2 | 14 | 2011 | 2005 |
| Ninemile | 14 | 2024 | 1993 |
| Clancy | 14 | 2023 | 2015 |
| Elevation Mt | 12 | 2024 | 2003 |
| Greenoagh 3 | 12 | 2024 | 2012 |
| Logan Pass | 11 | 2024 | 1980 |
| Wise River | 11 | 2024 | 1993 |
| Victor | 9 | 2024 | 1993 |
| Inside Road | 9 | 2023 | 1990 |
| Elliston | 8 | 2024 | 1968 |
| Skalkaho | 7 | 1998 | 1992 |
| Arlee | 6 | 2024 | 1968 |
| St Regis | 5 | 2024 | 1977 |
Ruby-crowned Kinglet Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.