BirdAnalyst
Species · BCR 15 · BBS 2025 Release · 1966–2024

Dusky Flycatcher In Sierra Nevada

All regionsSierra NevadaAerial insectivores

Dusky Flycatcher in Sierra Nevada has increased: up 32% on the route-weighted index since 1971.

+32%Since 1971
37Routes In Region
55Years

Notable Signals

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

Forecast

If the recent trend holds, Dusky Flycatcher in Sierra Nevada is projected to rise about 52% by 2029 — from 4.7 in 2024 to a central estimate of 7.2 (95% range 4.0–10). A 5-year backtest shows a typical error of ±63.4%, with 40% of held-out values landing inside the 95% band.

+52%Change by 2029
7.2Projected 2029 index
4.0–1095% range
±63.4%Backtest error
19692029
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
20256.93.810
20267.03.810
20277.03.910
20287.14.010
20297.24.010

Routes In Sierra Nevada

Routes recording Dusky Flycatcher in Sierra Nevada.
CrestviewCALIFORNIA302024
Pine MountainCALIFORNIA222017
GoumazCALIFORNIA202011
Tahoe NfCALIFORNIA171994
Hat CreekCALIFORNIA132018
JohnsvilleCALIFORNIA122024
Greenhorn MtCALIFORNIA122008
Eagle LakeCALIFORNIA102024
DardanelleCALIFORNIA102019
Lassen ParkCALIFORNIA71989
LumberyardCALIFORNIA72024
Little TruckeeCALIFORNIA72023
Pollock PinesCALIFORNIA72024
StrawberryCALIFORNIA72019
WoodfordsCALIFORNIA52023
GeneseeCALIFORNIA52024
Meadow ValleyCALIFORNIA52024
Last ChanceCALIFORNIA52019
Tuolumne GroveCALIFORNIA42024
Forest Hill 2CALIFORNIA42005
WestvilleCALIFORNIA32024
Butte MeadowCALIFORNIA32014
DownievilleCALIFORNIA32024
RivertonCALIFORNIA32023
Chaos CraterCALIFORNIA32019

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