BirdAnalyst
Species · BCR 33 · BBS 2025 Release · 1966–2024

Northern House Wren In Sonoran and Mojave Deserts

All regionsSonoran and Mojave DesertsForest birds

Northern House Wren in Sonoran and Mojave Deserts has fallen sharply: down 55% on the route-weighted index since 1971.

-55%Since 1971
11Routes In Region
46Years

Notable Signals

long arc declinecomputed index

Northern House Wren has fallen sharply in Sonoran and Mojave Deserts: down 55% on the route-weighted index since 1971.

Forecast

If the recent trend holds, Northern House Wren in Sonoran and Mojave Deserts is projected to fall about 30% by 2029 — from 0.23 in 2024 to a central estimate of 0.16 (95% range 0.00–0.60). A 5-year backtest shows a typical error of ±363%, with 100% of held-out values landing inside the 95% band.

-30%Change by 2029
0.16Projected 2029 index
0.00–0.6095% range
±363%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
20250.180.000.62
20260.170.000.61
20270.170.000.61
20280.170.000.60
20290.160.000.60

Routes In Sonoran and Mojave Deserts

Routes recording Northern House Wren in Sonoran and Mojave Deserts.
Parker DamCALIFORNIA62003
OnyxCALIFORNIA32001
PearblossomCALIFORNIA32024
Lone PineCALIFORNIA32024
Jean LakeNEVADA32001
Kelso ValleyCALIFORNIA22019
Joshua TreeCALIFORNIA21991
WikieupARIZONA12010
Haiwee ResCALIFORNIA11993
Lucerne ValCALIFORNIA12024
Ash MeadowsNEVADA12022

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