Species · BCR 18 · BBS 2025 Release · 1966–2024
Lark Sparrow In Shortgrass Prairie
Lark Sparrow in Shortgrass Prairie has held roughly steady: up 2% on the route-weighted index since 1969.
+2%Since 1969
132Routes In Region
57Years
Notable Signals
No notable trend signals for Lark Sparrow in Shortgrass Prairie. See the full index history below.
Forecast
If the recent trend holds, Lark Sparrow in Shortgrass Prairie is projected to rise about 18% by 2029 — from 11 in 2024 to a central estimate of 14 (95% range 9.2–18). A 5-year backtest shows a typical error of ±26.5%, with 80% of held-out values landing inside the 95% band.
+18%Change by 2029
14Projected 2029 index
9.2–1895% range
±26.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 13 | 9.2 | 18 |
| 2026 | 13 | 9.2 | 18 |
| 2027 | 13 | 9.2 | 18 |
| 2028 | 14 | 9.2 | 18 |
| 2029 | 14 | 9.2 | 18 |
Routes In Shortgrass Prairie
| Trinchera | COLORADO | 169 | 2022 |
| Mica Butte | COLORADO | 74 | 1987 |
| Clear Lake | OKLAHOMA | 64 | 2024 |
| Ninaview | COLORADO | 55 | 2024 |
| Felt | OKLAHOMA | 55 | 2024 |
| Cone Mtn | COLORADO | 45 | 2024 |
| Crawford | NEBRASKA | 40 | 2024 |
| Variadero | NEW-MEXICO | 39 | 2022 |
| Doyle Bridge | COLORADO | 36 | 1997 |
| Dalton | NEBRASKA | 35 | 2024 |
| Pinneo | COLORADO | 33 | 2019 |
| Crowley | COLORADO | 31 | 2024 |
| Kirk | COLORADO | 31 | 2023 |
| Boyero | COLORADO | 29 | 2017 |
| Bethune | COLORADO | 28 | 2019 |
| Sabinoso | NEW-MEXICO | 28 | 2021 |
| Farley | NEW-MEXICO | 25 | 2024 |
| Villegreen | COLORADO | 24 | 2024 |
| Pep | NEW-MEXICO | 24 | 2024 |
| Agate 2 | NEBRASKA | 23 | 2024 |
| Sedan | NEW-MEXICO | 23 | 2024 |
| Arsenal 2 | COLORADO | 22 | 2024 |
| Texline | TEXAS | 22 | 2024 |
| Hobbs | NEW-MEXICO | 21 | 2024 |
| Skellytown | TEXAS | 21 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.