BirdAnalyst
Species · BCR 10 · BBS 2025 Release · 1966–2024

Dusky Flycatcher In Northern Rockies

All regionsNorthern RockiesAerial insectivores

Dusky Flycatcher in Northern Rockies has surged: up 180% on the route-weighted index since 1970.

+180%Since 1970
165Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Dusky Flycatcher has surged in Northern Rockies: up 180% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Dusky Flycatcher in Northern Rockies is projected to rise about 18% by 2029 — from 3.6 in 2024 to a central estimate of 4.3 (95% range 2.9–5.7). A 5-year backtest shows a typical error of ±20.8%, with 100% of held-out values landing inside the 95% band.

+18%Change by 2029
4.3Projected 2029 index
2.9–5.795% range
±20.8%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
20254.12.75.5
20264.22.75.6
20274.22.85.6
20284.22.85.7
20294.32.95.7

Routes In Northern Rockies

Routes recording Dusky Flycatcher in Northern Rockies.
SilviesOREGON402024
OchocoOREGON371982
LogdellOREGON342024
Fish CreekMONTANA322024
DonnellyOREGON302006
CascadeIDAHO291984
Silver CreekOREGON202024
NezperceIDAHO192012
Omak CreekWASHINGTON192024
GraniteOREGON172024
Cape HornIDAHO162024
FeathervilleIDAHO162024
DesolationOREGON162007
Hash RockOREGON152024
GoldenIDAHO142016
L Pend O NwrWASHINGTON132024
Crazy WomanWYOMING132024
CentervilleIDAHO122019
FloraOREGON122023
Mount VernonOREGON122024
Fiddler LkWYOMING122024
WilsonWYOMING112024
Sawtooth CtyIDAHO102014
Colter BayWYOMING101999
Horse CreekWYOMING102024

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