Species · BCR 15 · BBS 2025 Release · 1966–2024

Calliope Hummingbird In Sierra Nevada

Calliope Hummingbird in Sierra Nevada has edged down: down 11% on the route-weighted index since 1974.

-11%Since 1974
24Routes In Region
52Years

Notable Signals

No notable trend signals for Calliope Hummingbird in Sierra Nevada. See the full index history below.

Forecast

If the recent trend holds, Calliope Hummingbird in Sierra Nevada is projected to rise about 65% by 2029 — from 0.21 in 2024 to a central estimate of 0.35 (95% range 0.05–0.65). A 5-year backtest shows a typical error of ±80%, with 100% of held-out values landing inside the 95% band.

+65%Change by 2029
0.35Projected 2029 index
0.050.6595% range
±80%Backtest error
19722029
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
20250.340.040.64
20260.340.050.64
20270.340.050.64
20280.350.050.64
20290.350.050.65

Routes In Sierra Nevada

Routes recording Calliope Hummingbird in Sierra Nevada.
Little TruckeeCALIFORNIA32023
ChilcootCALIFORNIA32024
DardanelleCALIFORNIA22006
Kings CanyonCALIFORNIA22010
Butte MeadowCALIFORNIA21989
GoumazCALIFORNIA22011
Last ChanceCALIFORNIA22018
Eagle LakeCALIFORNIA12015
WestvilleCALIFORNIA12019
JohnsvilleCALIFORNIA12021
WoodfordsCALIFORNIA12022
LumberyardCALIFORNIA12019
Greenhorn MtCALIFORNIA12006
Silver CityCALIFORNIA11995
Tuolumne GroveCALIFORNIA12016
GeneseeCALIFORNIA12024
DownievilleCALIFORNIA12003
RivertonCALIFORNIA12019
Hat CreekCALIFORNIA12013
LakeshoreCALIFORNIA12006
PaxtonCALIFORNIA12022
Meadow ValleyCALIFORNIA12018
Pine MountainCALIFORNIA12016
StrawberryCALIFORNIA12010

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