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

Chipping Sparrow In Sierra Madre Occidental

All regionsSierra Madre OccidentalGeneralists

Chipping Sparrow in Sierra Madre Occidental has edged down: down 13% on the route-weighted index since 1970.

-13%Since 1970
26Routes In Region
55Years

Notable Signals

No notable trend signals for Chipping Sparrow in Sierra Madre Occidental. See the full index history below.

Forecast

If the recent trend holds, Chipping Sparrow in Sierra Madre Occidental is projected to rise about 22% by 2029 — from 3.7 in 2024 to a central estimate of 4.5 (95% range 1.9–7.0). A 5-year backtest shows a typical error of ±27.5%, with 100% of held-out values landing inside the 95% band.

+22%Change by 2029
4.5Projected 2029 index
1.9–7.095% range
±27.5%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
20254.31.86.9
20264.41.86.9
20274.41.87.0
20284.41.87.0
20294.51.97.0

Routes In Sierra Madre Occidental

Routes recording Chipping Sparrow in Sierra Madre Occidental.
Happy JackARIZONA272024
Forest LakesARIZONA252024
AlpineARIZONA202023
WilliamsARIZONA182019
ReserveNEW-MEXICO172023
Mormon LakeARIZONA161975
PinetopARIZONA152022
SprucedaleARIZONA102023
Clay SpringARIZONA82024
FlagstaffARIZONA72022
PortalARIZONA62021
RuckerARIZONA62009
Tonto Vill.ARIZONA42021
MaineARIZONA32024
Carr MtnARIZONA22022
Vicks PeakNEW-MEXICO22021
Emory PassNEW-MEXICO22024
PrescottARIZONA12021
Aztec PeakARIZONA11975
BlueARIZONA11986
PomereneARIZONA11974
SunizonaARIZONA11988
Skull ValleyARIZONA12023
Sunizona 2ARIZONA12002
DragoonARIZONA12009

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