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

Broad-tailed Hummingbird In Sierra Madre Occidental

All regionsSierra Madre OccidentalGeneralists

Broad-tailed Hummingbird in Sierra Madre Occidental has declined: down 38% on the route-weighted index since 1970.

-38%Since 1970
25Routes In Region
54Years

Notable Signals

No notable trend signals for Broad-tailed Hummingbird in Sierra Madre Occidental. See the full index history below.

Forecast

If the recent trend holds, Broad-tailed Hummingbird in Sierra Madre Occidental is projected to rise about 55% by 2029 — from 0.89 in 2024 to a central estimate of 1.4 (95% range 0.29–2.5). A 5-year backtest shows a typical error of ±38.5%, with 100% of held-out values landing inside the 95% band.

+55%Change by 2029
1.4Projected 2029 index
0.29–2.595% range
±38.5%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
20251.40.332.5
20261.40.322.5
20271.40.312.5
20281.40.302.5
20291.40.292.5

Routes In Sierra Madre Occidental

Routes recording Broad-tailed Hummingbird in Sierra Madre Occidental.
Mt. GrahamARIZONA162023
PinetopARIZONA82022
Aztec PeakARIZONA61978
Tonto Vill.ARIZONA62021
Happy JackARIZONA62024
AlpineARIZONA52023
PortalARIZONA52024
FlagstaffARIZONA42022
Emory PassNEW-MEXICO42024
BlueARIZONA31991
PrescottARIZONA22022
Mormon LakeARIZONA21975
Carr MtnARIZONA22014
ReserveNEW-MEXICO22023
SunizonaARIZONA11996
WilliamsARIZONA12019
MaineARIZONA12023
Forest LakesARIZONA12024
RedingtonARIZONA12000
Clay SpringARIZONA12014
SprucedaleARIZONA12023
DragoonARIZONA12000
RuckerARIZONA12009
Vicks PeakNEW-MEXICO12011
MagdalenaNEW-MEXICO12011

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