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

Green-tailed Towhee In Sonoran and Mojave Deserts

All regionsSonoran and Mojave DesertsGeneralists

Green-tailed Towhee in Sonoran and Mojave Deserts has surged: up 106% on the route-weighted index since 1980.

+106%Since 1980
6Routes In Region
19Years

Notable Signals

long arc increasecomputed index

Green-tailed Towhee has surged in Sonoran and Mojave Deserts: up 106% on the route-weighted index since 1980.

Forecast

If the recent trend holds, Green-tailed Towhee in Sonoran and Mojave Deserts is projected to fall about 23% by 2028 — from 0.13 in 2023 to a central estimate of 0.10 (95% range 0.01–0.20). A 5-year backtest shows a typical error of ±112.9%, with 100% of held-out values landing inside the 95% band.

-23%Change by 2028
0.10Projected 2028 index
0.01–0.2095% range
±112.9%Backtest error
19732028
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
20240.100.000.19
20250.100.000.20
20260.100.000.20
20270.100.000.20
20280.100.010.20

Routes In Sonoran and Mojave Deserts

Routes recording Green-tailed Towhee in Sonoran and Mojave Deserts.
Lone PineCALIFORNIA42023
Val Of FireNEVADA22011
Eureka ValCALIFORNIA11995
Kelso ValleyCALIFORNIA12021
Joshua TreeCALIFORNIA11980
Jean LakeNEVADA12001

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