BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Black-chinned Hummingbird In Northern Rockies

All regionsNorthern RockiesGeneralists

Black-chinned Hummingbird in Northern Rockies has risen sharply: up 55% on the route-weighted index since 1977.

+55%Since 1977
36Routes In Region
45Years

Notable Signals

long arc increasecomputed index

Black-chinned Hummingbird has risen sharply in Northern Rockies: up 55% on the route-weighted index since 1977.

Forecast

If the recent trend holds, Black-chinned Hummingbird in Northern Rockies is projected to stay roughly flat through 2029, near 0.08 (95% range 0.02–0.14). A 5-year backtest shows a typical error of ±87.9%, with 80% of held-out values landing inside the 95% band.

n/aChange by 2029
0.08Projected 2029 index
0.02–0.1495% range
±87.9%Backtest error
19702029
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
20250.080.020.14
20260.080.020.14
20270.080.020.14
20280.080.020.14
20290.080.020.14

Routes In Northern Rockies

Routes recording Black-chinned Hummingbird in Northern Rockies.
LaurierWASHINGTON62022
FeathervilleIDAHO32023
NinemileMONTANA32003
MaybellCOLORADO22021
Browns ParkCOLORADO22022
NaplesIDAHO22022
CentervilleIDAHO22003
ChewelahWASHINGTON22019
CurlewWASHINGTON22013
Soda LakeWYOMING22003
AlturasIDAHO11985
CoolinIDAHO12023
CabartonIDAHO11993
Crane CreekIDAHO12007
Rochat DivdeIDAHO12002
KalispellMONTANA12016
St RegisMONTANA12008
Thompson RivMONTANA12009
Whitefish LakeMONTANA12024
GreenoughMONTANA12000
BridgeportOREGON12018
Silver CreekOREGON11993
Howard Mdws.OREGON11999
NewbridgeOREGON12024
Neponset ResUTAH12009

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