BirdAnalyst
Species · BCR 9 · BBS 2025 Release · 1966–2024

Dusky Flycatcher In Great Basin

All regionsGreat BasinAerial insectivores

Dusky Flycatcher in Great Basin has surged: up 102% on the route-weighted index since 1970.

+102%Since 1970
120Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Dusky Flycatcher has surged in Great Basin: up 102% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Dusky Flycatcher in Great Basin is projected to stay roughly flat through 2029, near 2.9 (95% range 1.8–4.0). A 5-year backtest shows a typical error of ±14.9%, with 100% of held-out values landing inside the 95% band.

-6%Change by 2029
2.9Projected 2029 index
1.8–4.095% range
±14.9%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
20252.81.73.9
20262.81.73.9
20272.81.73.9
20282.91.84.0
20292.91.84.0

Routes In Great Basin

Routes recording Dusky Flycatcher in Great Basin.
PauninaOREGON482024
Davis LakeOREGON472024
Bald Mtn.OREGON442024
Blewett PassWASHINGTON392024
HackamoreCALIFORNIA372010
PaisleyOREGON272024
E. Mt. AdamsWASHINGTON232024
Barnes ValOREGON191987
SistersOREGON192024
Picture FlatOREGON182024
LakeviewOREGON182024
Lake ChelanWASHINGTON172024
BlyOREGON162001
MacdoelCALIFORNIA152019
Fish LakeOREGON152024
Camp ShermanOREGON141996
Badger CreekOREGON142024
EllensburgWASHINGTON132024
Humboldt Nf 2NEVADA112024
Wizard FallsOREGON112024
TwispWASHINGTON112021
ArdenvoirWASHINGTON101987
TriangleIDAHO92021
BartleCALIFORNIA72021
SquirrelIDAHO72024

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