BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Calliope Hummingbird In Great Basin

All regionsGreat BasinGeneralists

Calliope Hummingbird in Great Basin has fallen sharply: down 66% on the route-weighted index since 1970.

-66%Since 1970
56Routes In Region
54Years

Notable Signals

long arc declinecomputed index

Calliope Hummingbird has fallen sharply in Great Basin: down 66% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Calliope Hummingbird in Great Basin is projected to rise about 118% by 2029 — from 0.07 in 2024 to a central estimate of 0.15 (95% range 0.03–0.28). A 5-year backtest shows a typical error of ±170.5%, with 40% of held-out values landing inside the 95% band.

+118%Change by 2029
0.15Projected 2029 index
0.03–0.2895% range
±170.5%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
20250.150.030.28
20260.150.030.28
20270.150.030.28
20280.150.030.28
20290.150.030.28

Routes In Great Basin

Routes recording Calliope Hummingbird in Great Basin.
Magic MtnIDAHO72024
SquirrelIDAHO42004
TwispWASHINGTON42022
BatesIDAHO32009
Medicine Mtn.CALIFORNIA22012
Dougal ResIDAHO22019
JarbidgeNEVADA22014
Modoc PointOREGON21970
Mt HoodOREGON21999
SistersOREGON22015
PauninaOREGON22010
ReardanWASHINGTON22014
SnowdenWASHINGTON21986
TonasketWASHINGTON22016
EllensburgWASHINGTON22018
Blewett PassWASHINGTON22024
MazamaWASHINGTON22022
WaitsburgWASHINGTON22001
NubieberCALIFORNIA12002
Crowley LakeCALIFORNIA12004
Davis CreekCALIFORNIA12021
MacdoelCALIFORNIA12019
Clear Lk ResCALIFORNIA12002
CedarvilleCALIFORNIA11990
BartleCALIFORNIA12018

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