Species · BCR 16 · BBS 2025 Release · 1966–2024
Lazuli Bunting In Southern Rockies / Colorado Plateau
Lazuli Bunting in Southern Rockies / Colorado Plateau has surged: up 89% on the route-weighted index since 1970.
+89%Since 1970
139Routes In Region
56Years
Notable Signals
long arc increasecomputed index
Lazuli Bunting has surged in Southern Rockies / Colorado Plateau: up 89% on the route-weighted index since 1970.
Forecast
If the recent trend holds, Lazuli Bunting in Southern Rockies / Colorado Plateau is projected to rise about 14% by 2029 — from 1.5 in 2024 to a central estimate of 1.7 (95% range 0.78–2.5). A 5-year backtest shows a typical error of ±42%, with 80% of held-out values landing inside the 95% band.
+14%Change by 2029
1.7Projected 2029 index
0.78–2.595% range
±42%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.6 | 0.75 | 2.5 |
| 2026 | 1.6 | 0.76 | 2.5 |
| 2027 | 1.6 | 0.76 | 2.5 |
| 2028 | 1.6 | 0.77 | 2.5 |
| 2029 | 1.7 | 0.78 | 2.5 |
Routes In Southern Rockies / Colorado Plateau
| Douglas Pass | COLORADO | 42 | 2024 |
| De Beque | COLORADO | 22 | 2024 |
| Yampa | COLORADO | 21 | 2023 |
| Baxter Pass | COLORADO | 18 | 2024 |
| Skyline Driv | UTAH | 17 | 2016 |
| Soapstone | UTAH | 17 | 2024 |
| Uintah Nf | UTAH | 16 | 1994 |
| Lost Cr. Res | UTAH | 15 | 2018 |
| Ant Flat-Ogden Can | UTAH | 14 | 2023 |
| La Sal 2 | UTAH | 13 | 2006 |
| Heber Mtn. | UTAH | 12 | 2024 |
| Navajo Lake | UTAH | 9 | 2024 |
| Mesaverde Np | COLORADO | 8 | 2023 |
| Gooseberry | UTAH | 8 | 2024 |
| Walsenburg | COLORADO | 7 | 2023 |
| Beaver | UTAH | 6 | 2024 |
| Willow Peak | COLORADO | 5 | 2021 |
| Nucla | COLORADO | 5 | 2024 |
| Stillwater Pass 2 | COLORADO | 5 | 2024 |
| Wellington 3 | UTAH | 5 | 2024 |
| Pagosa Spgs | COLORADO | 4 | 1982 |
| Wilson Creek | COLORADO | 4 | 2024 |
| Gribbles Prk | COLORADO | 4 | 2024 |
| Angel Fire | NEW-MEXICO | 4 | 2000 |
| Altonah | UTAH | 4 | 2006 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.