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

Common Yellowthroat In Sierra Madre Occidental

Common Yellowthroat in Sierra Madre Occidental has collapsed: down 91% on the route-weighted index since 1970.

-91%Since 1970
14Routes In Region
53Years

Notable Signals

long arc declinecomputed index

Common Yellowthroat has collapsed in Sierra Madre Occidental: down 91% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Common Yellowthroat in Sierra Madre Occidental is projected to fall about 100% by 2029 — from 0.22 in 2024 to a central estimate of 0.00 (95% range 0.00–0.68). A 5-year backtest shows a typical error of ±44.8%, with 100% of held-out values landing inside the 95% band.

-100%Change by 2029
0.00Projected 2029 index
0.000.6895% range
±44.8%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
20250.010.000.70
20260.000.000.68
20270.000.000.68
20280.000.000.68
20290.000.000.68

Routes In Sierra Madre Occidental

Routes recording Common Yellowthroat in Sierra Madre Occidental.
Skull ValleyARIZONA32024
SunizonaARIZONA21980
PrescottARIZONA12003
PomereneARIZONA12024
San SimonARIZONA11984
Peña BlancaARIZONA11978
PatagoniaARIZONA12022
Tonto Vill.ARIZONA11992
Bartlett ResARIZONA12016
AlpineARIZONA12008
RedingtonARIZONA12009
AmadoARIZONA12016
Carr MtnARIZONA12023
SprucedaleARIZONA12006

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