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

Dusky Flycatcher In Sierra Madre Occidental

All regionsSierra Madre OccidentalAerial insectivores

Dusky Flycatcher in Sierra Madre Occidental has increased: up 46% on the route-weighted index since 1995.

+46%Since 1995TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →
9Routes In RegionSurvey routesHow many standard-protocol BBS routes contributed counts. More routes means a steadier, better-sampled index; very thin coverage is suppressed.Full methodology →
13YearsYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →

Notable SignalsNotable signalsLong-arc shifts the engine flags automatically — sustained declines or increases large enough to stand out from year-to-year noise.Full methodology →

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

Routes In Sierra Madre Occidental

Routes recording Dusky Flycatcher in Sierra Madre Occidental.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →
WilliamsARIZONA32006
MaineARIZONA32016
PinetopARIZONA22018
Clay SpringARIZONA22009
ReserveNEW-MEXICO22021
AlpineARIZONA12021
SprucedaleARIZONA12017
Vicks PeakNEW-MEXICO12003
Emory PassNEW-MEXICO11995

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