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

Townsend's Solitaire In Sierra Nevada

All regionsSierra NevadaForest birds

Townsend's Solitaire in Sierra Nevada has edged down: down 14% on the route-weighted index since 1972.

-14%Since 1972
34Routes In Region
54Years

Notable Signals

No notable trend signals for Townsend's Solitaire in Sierra Nevada. See the full index history below.

Forecast

If the recent trend holds, Townsend's Solitaire in Sierra Nevada is projected to rise about 285% by 2029 — from 0.47 in 2024 to a central estimate of 1.8 (95% range 0.94–2.7). A 5-year backtest shows a typical error of ±124.9%, with 40% of held-out values landing inside the 95% band.

+285%Change by 2029
1.8Projected 2029 index
0.94–2.795% range
±124.9%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
20251.80.902.7
20261.80.912.7
20271.80.922.7
20281.80.932.7
20291.80.942.7

Routes In Sierra Nevada

Routes recording Townsend's Solitaire in Sierra Nevada.
Little TruckeeCALIFORNIA52023
Butte MeadowCALIFORNIA42014
ChesterCALIFORNIA42013
WestvilleCALIFORNIA32023
Greenhorn MtCALIFORNIA32008
Chaos CraterCALIFORNIA32019
CrestviewCALIFORNIA32022
Cottage SpgsCALIFORNIA21975
LumberyardCALIFORNIA22024
Hat CreekCALIFORNIA22018
Tahoe NfCALIFORNIA21994
CoultervilleCALIFORNIA22016
Pine MountainCALIFORNIA22017
Last ChanceCALIFORNIA22019
Lassen ParkCALIFORNIA11989
Eagle LakeCALIFORNIA12024
DardanelleCALIFORNIA12019
JohnsvilleCALIFORNIA12024
WoodfordsCALIFORNIA12024
Silver CityCALIFORNIA12011
Kings CanyonCALIFORNIA11988
Tuolumne GroveCALIFORNIA12024
GeneseeCALIFORNIA12023
DownievilleCALIFORNIA12023
RivertonCALIFORNIA12023

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