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

House Finch In Sonoran and Mojave Deserts

House Finch in Sonoran and Mojave Deserts has declined: down 36% on the route-weighted index since 1970.

-36%Since 1970
87Routes In Region
56Years

Notable Signals

No notable trend signals for House Finch in Sonoran and Mojave Deserts. See the full index history below.

Forecast

If the recent trend holds, House Finch in Sonoran and Mojave Deserts is projected to stay roughly flat through 2029, near 16 (95% range 5.9–26). A 5-year backtest shows a typical error of ±9.1%, with 100% of held-out values landing inside the 95% band.

-5%Change by 2029
16Projected 2029 index
5.92695% range
±9.1%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
2025166.526
2026166.426
2027166.226
2028166.126
2029165.926

Routes In Sonoran and Mojave Deserts

Routes recording House Finch in Sonoran and Mojave Deserts.
Joshua TreeCALIFORNIA1542002
Willow SpgsCALIFORNIA1121981
Calif CityCALIFORNIA1062015
Joshua Tree 2CALIFORNIA1022016
New RiverARIZONA752016
OnyxCALIFORNIA652015
FlorenceARIZONA591988
WildroseCALIFORNIA532022
Anza BorregoCALIFORNIA502024
InyokernCALIFORNIA492024
Willow Springs 2CALIFORNIA482024
RivieraARIZONA462024
Kelso ValleyCALIFORNIA452024
NelsonNEVADA432024
PearblossomCALIFORNIA422024
Casa GrandeARIZONA402023
Organ PipeARIZONA402023
Ajo 2ARIZONA342022
ArabyARIZONA332023
Cactus ForestARIZONA322024
WickenburgARIZONA262023
AlamoNEVADA241973
Alamo RiverCALIFORNIA232018
Cutter 2ARIZONA212018
LukevilleARIZONA191981

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