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

Rock Wren In Great Basin

Rock Wren in Great Basin has surged: up 236% on the route-weighted index since 1970.

+236%Since 1970
219Routes In Region
56Years

Notable Signals

long arc increasecomputed index

Rock Wren has surged in Great Basin: up 236% on the route-weighted index since 1970.

Forecast

If the recent trend holds, Rock Wren in Great Basin is projected to fall about 17% by 2029 — from 4.5 in 2024 to a central estimate of 3.7 (95% range 1.7–5.7). A 5-year backtest shows a typical error of ±31%, with 100% of held-out values landing inside the 95% band.

-17%Change by 2029
3.7Projected 2029 index
1.75.795% range
±31%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
20253.61.75.6
20263.71.75.6
20273.71.75.7
20283.71.75.7
20293.71.75.7

Routes In Great Basin

Routes recording Rock Wren in Great Basin.
BuchananOREGON362024
BlitzenOREGON351993
Catlow RimOREGON352024
Blizzard GapOREGON332024
BodieCALIFORNIA312024
Bald Mtn.NEVADA312024
Big PineCALIFORNIA262024
DorrisCALIFORNIA242019
Bly 2OREGON242024
Harney LakeOREGON232024
Magic MtnIDAHO202024
Blitzen 2OREGON202024
Meadow VallyNEVADA192024
PaisleyOREGON172024
LikelyCALIFORNIA152024
Fish CreekNEVADA152021
Peplin MountainUTAH142024
Sand PassNEVADA132024
AdrianOREGON132021
Virgin CreekNEVADA122018
Barnes ValOREGON111987
Warner VallyOREGON112024
Crooked Riv.OREGON112024
RanchograndeNEVADA102024
OreanaNEVADA102003

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