BirdAnalyst
Species · BCR 5 · BBS 2025 Release · 1966–2024

Ruby-crowned Kinglet In Northern Pacific Rainforest

All regionsNorthern Pacific RainforestForest birds

Ruby-crowned Kinglet in Northern Pacific Rainforest has surged: up 16× on the route-weighted index since 1970.

16×Since 1970
81Routes In Region
55Years

Notable Signals

long arc increasecomputed index

Ruby-crowned Kinglet has surged in Northern Pacific Rainforest: up 16× on the route-weighted index since 1970.

Forecast

If the recent trend holds, Ruby-crowned Kinglet in Northern Pacific Rainforest is projected to stay roughly flat through 2029, near 3.4 (95% range 1.8–5.1). A 5-year backtest shows a typical error of ±32%, with 100% of held-out values landing inside the 95% band.

-7%Change by 2029
3.4Projected 2029 index
1.8–5.195% range
±32%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
20253.21.64.9
20263.31.65.0
20273.31.75.0
20283.41.75.1
20293.41.85.1

Routes In Northern Pacific Rainforest

Routes recording Ruby-crowned Kinglet in Northern Pacific Rainforest.
HopeALASKA542024
HainesALASKA352024
Chichagof IsALASKA342024
SewardALASKA311992
CordovaALASKA262024
HoonahALASKA232024
Moose PassALASKA211992
YakutatALASKA212024
Kuiu IslandALASKA212010
Zimovia StrtALASKA192024
Copper RiverALASKA152011
Kenai Lake (Short)ALASKA141992
Yakutat (Short)ALASKA141984
Sitka (Short)ALASKA131992
JuneauALASKA122024
SitkaALASKA112024
Elmendorf (Short)ALASKA111985
CraigALASKA92024
KorbelCALIFORNIA91987
Juneau AltALASKA81986
Harlequin L.ALASKA82024
Stikine RiverALASKA72024
Hay ForkCALIFORNIA72017
CoquilleOREGON71997
PetersburgALASKA61987

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