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

Blue-gray Gnatcatcher In Great Basin

All regionsGreat BasinForest birds

Blue-gray Gnatcatcher in Great Basin has surged: up 321% on the route-weighted index since 1971.

+321%Since 1971
64Routes In Region
53Years

Notable Signals

long arc increasecomputed index

Blue-gray Gnatcatcher has surged in Great Basin: up 321% on the route-weighted index since 1971.

Forecast

If the recent trend holds, Blue-gray Gnatcatcher in Great Basin is projected to rise about 87% by 2029 — from 0.25 in 2024 to a central estimate of 0.47 (95% range 0.28–0.66). A 5-year backtest shows a typical error of ±78.7%, with 0% of held-out values landing inside the 95% band.

+87%Change by 2029
0.47Projected 2029 index
0.28–0.6695% range
±78.7%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
20250.440.250.63
20260.450.250.64
20270.450.260.64
20280.460.270.65
20290.470.280.66

Routes In Great Basin

Routes recording Blue-gray Gnatcatcher in Great Basin.
RanchograndeNEVADA72024
NewcastleUTAH72022
HawthorneNEVADA62001
Jericho JunctionUTAH62024
Ruby Valley 2NEVADA52013
Comins LakeNEVADA52016
Clear Lk ResCALIFORNIA42014
Iron GateCALIFORNIA42019
WillisNEVADA42024
AustinNEVADA42018
LeamingtonUTAH41997
Goose Creek Mtn.UTAH42023
BodieCALIFORNIA32018
PocatelloIDAHO32019
Meadow VallyNEVADA32024
VernonUTAH32024
NubieberCALIFORNIA22018
Big PineCALIFORNIA22024
BentonCALIFORNIA22024
Davis CreekCALIFORNIA21990
TionestaCALIFORNIA22021
Crowder FlatCALIFORNIA22002
AlmoIDAHO22023
Kyle CanyonIDAHO22023
Piute MdwsNEVADA22018

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