BirdAnalyst
Species · BCR 16 · BBS 2025 Release · 1966–2024

Dusky Flycatcher In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauAerial insectivores

Dusky Flycatcher in Southern Rockies / Colorado Plateau has surged: up 12× on the route-weighted index since 1970.

12×Since 1970
145Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Dusky Flycatcher has surged in Southern Rockies / Colorado Plateau: up 12× on the route-weighted index since 1970.

Forecast

If the recent trend holds, Dusky Flycatcher in Southern Rockies / Colorado Plateau is projected to rise about 29% by 2029 — from 2.5 in 2024 to a central estimate of 3.3 (95% range 2.5–4.0). A 5-year backtest shows a typical error of ±39.5%, with 20% of held-out values landing inside the 95% band.

+29%Change by 2029
3.3Projected 2029 index
2.5–4.095% range
±39.5%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
20253.12.33.8
20263.12.33.9
20273.22.43.9
20283.22.44.0
20293.32.54.0

Routes In Southern Rockies / Colorado Plateau

Routes recording Dusky Flycatcher in Southern Rockies / Colorado Plateau.
Mcphee Res.COLORADO472024
Baxter PassCOLORADO242024
Haycamp MesaCOLORADO212024
Mesaverde NpCOLORADO212024
Lost LakeCOLORADO122024
NuclaCOLORADO122024
La SalUTAH122000
Lost Cr. ResUTAH122018
PowderhornCOLORADO112023
Douglas PassCOLORADO102024
ColonaCOLORADO102012
TincupCOLORADO102024
Marshall PasCOLORADO102008
Black Sulphur CrCOLORADO102024
BeckUTAH101987
Moon Lake 2UTAH92023
TsaileARIZONA82023
Grizzly RdgeUTAH82024
Fish Lake NfUTAH82024
Stillwater Pass 2COLORADO72024
Dolores RivCOLORADO62024
RadiumCOLORADO62013
Ant Flat-Ogden CanUTAH62023
Uintah NfUTAH61994
Wasatch NfUTAH62024

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