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

Northern House Wren In Southern Rockies / Colorado Plateau

Northern House Wren in Southern Rockies / Colorado Plateau has surged: up 166% on the route-weighted index since 1970.

+166%Since 1970
174Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Northern House Wren has surged in Southern Rockies / Colorado Plateau: up 166% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Northern House Wren in Southern Rockies / Colorado Plateau is projected to rise about 32% by 2029 — from 4.4 in 2024 to a central estimate of 5.8 (95% range 4.1–7.5). A 5-year backtest shows a typical error of ±35.7%, with 40% of held-out values landing inside the 95% band.

+32%Change by 2029
5.8Projected 2029 index
4.17.595% range
±35.7%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
20255.63.97.3
20265.73.97.4
20275.74.07.4
20285.84.07.5
20295.84.17.5

Routes In Southern Rockies / Colorado Plateau

Routes recording Northern House Wren in Southern Rockies / Colorado Plateau.
YampaCOLORADO352023
Ragged Mtn.COLORADO352019
UncompahgreCOLORADO342024
Deadman Rd.COLORADO312024
Groundhog RsCOLORADO312024
Owl Creek PassCOLORADO262024
FlattopsCOLORADO232019
ThomasvilleCOLORADO192018
CebollaNEW-MEXICO192023
BeckUTAH191987
Dunckley PasCOLORADO182024
Ant Flat-Ogden CanUTAH182023
Lost Cr. ResUTAH182018
BufordCOLORADO172024
Gold HillCOLORADO172012
Dry ParkARIZONA152024
Pagosa SpgsCOLORADO151982
Fox CreekCOLORADO152024
Yellowjacket PassCOLORADO152024
Moon Lake 2UTAH152023
AspenCOLORADO142024
ParlinCOLORADO142023
Buffalo ParkCOLORADO142023
Navajo LakeUTAH142024
Beck 2UTAH142018

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