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

Northern House Wren In Sierra Nevada

All regionsSierra NevadaForest birds

Northern House Wren in Sierra Nevada has declined: down 38% on the route-weighted index since 1971.

-38%Since 1971
35Routes In Region
55Years

Notable Signals

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

Forecast

If the recent trend holds, Northern House Wren in Sierra Nevada is projected to fall about 19% by 2029 — from 3.4 in 2024 to a central estimate of 2.7 (95% range 0.04–5.4). A 5-year backtest shows a typical error of ±32.1%, with 100% of held-out values landing inside the 95% band.

-19%Change by 2029
2.7Projected 2029 index
0.04–5.495% range
±32.1%Backtest error
19692029
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
20252.80.115.4
20262.80.095.4
20272.70.075.4
20282.70.065.4
20292.70.045.4

Routes In Sierra Nevada

Routes recording Northern House Wren in Sierra Nevada.
GeneseeCALIFORNIA142024
PaxtonCALIFORNIA102024
WawonaCALIFORNIA92024
Cottage SpgsCALIFORNIA71969
Greenhorn MtCALIFORNIA72008
Tuolumne GroveCALIFORNIA72024
WoodfordsCALIFORNIA52024
Forest HillCALIFORNIA42021
Pollock PinesCALIFORNIA42024
ChilcootCALIFORNIA42024
DardanelleCALIFORNIA32019
Bass LakeCALIFORNIA32019
JohnsvilleCALIFORNIA32024
Silver CityCALIFORNIA32012
Kings CanyonCALIFORNIA32013
SattleyCALIFORNIA32024
Eagle LakeCALIFORNIA22024
RivertonCALIFORNIA22023
Hat CreekCALIFORNIA22018
Tahoe NfCALIFORNIA21994
Little TruckeeCALIFORNIA22023
Pine MountainCALIFORNIA22017
CrestviewCALIFORNIA22018
Last ChanceCALIFORNIA22017
WestvilleCALIFORNIA12023

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