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

Canyon Wren In Sierra Nevada

Canyon Wren in Sierra Nevada has declined: down 46% on the route-weighted index since 1974.

-46%Since 1974
17Routes In Region
50Years

Notable Signals

No notable trend signals for Canyon Wren in Sierra Nevada. See the full index history below.

Forecast

If the recent trend holds, Canyon Wren in Sierra Nevada is projected to fall about 64% by 2029 — from 0.42 in 2024 to a central estimate of 0.15 (95% range 0.00–0.64). A 5-year backtest shows a typical error of ±80.6%, with 100% of held-out values landing inside the 95% band.

-64%Change by 2029
0.15Projected 2029 index
0.000.6495% range
±80.6%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
20250.180.000.67
20260.180.000.66
20270.170.000.65
20280.160.000.64
20290.150.000.64

Routes In Sierra Nevada

Routes recording Canyon Wren in Sierra Nevada.
Kings CanyonCALIFORNIA72024
Forest HillCALIFORNIA32022
Bass LakeCALIFORNIA22019
Silver CityCALIFORNIA22013
Pine MountainCALIFORNIA21997
DardanelleCALIFORNIA12015
JohnsvilleCALIFORNIA11985
WoodfordsCALIFORNIA11990
Tuolumne GroveCALIFORNIA12022
Butte MeadowCALIFORNIA11981
GeneseeCALIFORNIA12023
Higgins CornCALIFORNIA11981
DownievilleCALIFORNIA12004
LakeshoreCALIFORNIA12011
PaxtonCALIFORNIA12015
ChilcootCALIFORNIA12024
StrawberryCALIFORNIA12015

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