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

Blue-gray Gnatcatcher In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauForest birds

Blue-gray Gnatcatcher in Southern Rockies / Colorado Plateau has surged: up 529% on the route-weighted index since 1970.

+529%Since 1970
155Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Blue-gray Gnatcatcher has surged in Southern Rockies / Colorado Plateau: up 529% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Blue-gray Gnatcatcher in Southern Rockies / Colorado Plateau is projected to rise about 22% by 2029 — from 2.7 in 2024 to a central estimate of 3.3 (95% range 2.4–4.2). A 5-year backtest shows a typical error of ±44.2%, with 40% of held-out values landing inside the 95% band.

+22%Change by 2029
3.3Projected 2029 index
2.4–4.295% range
±44.2%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
20253.12.24.0
20263.12.24.1
20273.22.34.1
20283.22.34.2
20293.32.44.2

Routes In Southern Rockies / Colorado Plateau

Routes recording Blue-gray Gnatcatcher in Southern Rockies / Colorado Plateau.
Wray GulchCOLORADO342023
Mesaverde NpCOLORADO342024
Douglas PassCOLORADO292024
Baxter PassCOLORADO272024
Moquith MtnUTAH192024
ShivwitzUTAH182024
AngoraCOLORADO162024
De BequeCOLORADO142024
La Sal 3UTAH142024
Black Sulphur CrCOLORADO132024
RosevaleCOLORADO122024
La Sal 2UTAH122006
AnimasCOLORADO112000
MoabUTAH102024
DinosaurCOLORADO92024
Willow CreekUTAH92024
Main CanyonUTAH92024
ClevelandUTAH82024
Cane Spr DesUTAH82010
Wet Mtns.COLORADO72024
NuclaCOLORADO72024
DulceNEW-MEXICO72024
MonticelloUTAH72024
CanyonlandsUTAH72006
DeltaCOLORADO62021

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