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

Pygmy Nuthatch In Southern Rockies / Colorado Plateau

All regionsSouthern Rockies / Colorado PlateauForest birds

Pygmy Nuthatch in Southern Rockies / Colorado Plateau has surged: up 94% on the route-weighted index since 1970.

+94%Since 1970
69Routes In Region
54Years

Notable Signals

long arc increasecomputed index

Pygmy Nuthatch has surged in Southern Rockies / Colorado Plateau: up 94% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Pygmy Nuthatch in Southern Rockies / Colorado Plateau is projected to stay roughly flat through 2029, near 0.98 (95% range 0.36–1.6). A 5-year backtest shows a typical error of ±20.8%, with 100% of held-out values landing inside the 95% band.

-2%Change by 2029
0.98Projected 2029 index
0.36–1.695% 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
20250.950.321.6
20260.960.331.6
20270.970.341.6
20280.980.351.6
20290.980.361.6

Routes In Southern Rockies / Colorado Plateau

Routes recording Pygmy Nuthatch in Southern Rockies / Colorado Plateau.
Mt. Taylor 2NEW-MEXICO362024
Bluewater LakeNEW-MEXICO322021
SawmillARIZONA252014
Gold HillCOLORADO232012
Mt. TaylorNEW-MEXICO232012
TsaileARIZONA222023
Deadman Rd.COLORADO182024
ZeniffARIZONA141984
Cheesman LkCOLORADO132022
CortezCOLORADO122005
Angel FireNEW-MEXICO122002
Angel Fire 2NEW-MEXICO122024
GallinasNEW-MEXICO102024
Gribbles PrkCOLORADO82024
Dry ParkARIZONA72024
CebollaNEW-MEXICO72022
GuffeyCOLORADO62024
Navajo LakeUTAH61968
Gold Hill 2COLORADO52024
Bryce CanyonUTAH52024
Comanche PkCOLORADO42024
Marshall PasCOLORADO42012
NuclaCOLORADO42024
Moon PassCOLORADO42011
LudlowCOLORADO42016

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