BirdAnalyst
Species · BCR 34 · BBS 2025 Release · 1966–2024

Hutton's Vireo In Sierra Madre Occidental

All regionsSierra Madre OccidentalForest birds

Hutton's Vireo in Sierra Madre Occidental has increased: up 42% on the route-weighted index since 1977.

+42%Since 1977
17Routes In Region
47Years

Notable Signals

No notable trend signals for Hutton's Vireo in Sierra Madre Occidental. See the full index history below.

Forecast

If the recent trend holds, Hutton's Vireo in Sierra Madre Occidental is projected to fall about 23% by 2029 — from 0.94 in 2024 to a central estimate of 0.72 (95% range 0.24–1.2). A 5-year backtest shows a typical error of ±136.5%, with 80% of held-out values landing inside the 95% band.

-23%Change by 2029
0.72Projected 2029 index
0.24–1.295% range
±136.5%Backtest error
19752029
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
20250.700.211.2
20260.700.221.2
20270.710.221.2
20280.720.231.2
20290.720.241.2

Routes In Sierra Madre Occidental

Routes recording Hutton's Vireo in Sierra Madre Occidental.
PortalARIZONA102024
Carr MtnARIZONA42018
RuckerARIZONA32009
Emory PassNEW-MEXICO32024
Peña BlancaARIZONA22024
PatagoniaARIZONA22024
Tonto Vill.ARIZONA22021
ReserveNEW-MEXICO22008
PrescottARIZONA12022
Aztec PeakARIZONA11977
SunizonaARIZONA11977
Bartlett ResARIZONA12010
AlpineARIZONA11996
Mt. GrahamARIZONA12023
SprucedaleARIZONA12007
Sunizona 2ARIZONA12019
DragoonARIZONA12000

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