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
3.78.995% range
±72.4%Backtest error
19682029
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
20256.03.48.6
20266.13.58.7
20276.23.68.7
20286.23.68.8
20296.33.78.9

Ruby-crowned Kinglet Survey Routes in Montana

Routes recording Ruby-crowned Kinglet in Montana.
Pagil Gulch3520242015
Hebgen Lake2920242017
Sula2620241977
Cramer Creek2320191994
Skalkho-Rye2320221999
Maynard Coulee2320242017
Woodman1820241968
East Glacier Park1620242015
Fish Creek1620241995
Greenough1520041996
Pryor Mtn.1420241995
Chestnut1420241968
Greenoagh 21420112005
Ninemile1420241993
Clancy1420232015
Elevation Mt1220242003
Greenoagh 31220242012
Logan Pass1120241980
Wise River1120241993
Victor920241993
Inside Road920231990
Elliston820241968
Skalkaho719981992
Arlee620241968
St Regis520241977

Ruby-crowned Kinglet Population Trend in Other States

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