Species · BCR 10 · BBS 2025 Release · 1966–2024
Gray Catbird In Northern Rockies
Gray Catbird in Northern Rockies has edged down: down 15% on the route-weighted index since 1970.
-15%Since 1970
130Routes In Region
56Years
Notable Signals
No notable trend signals for Gray Catbird in Northern Rockies. See the full index history below.
Forecast
If the recent trend holds, Gray Catbird in Northern Rockies is projected to rise about 49% by 2029 — from 0.86 in 2024 to a central estimate of 1.3 (95% range 0.72–1.9). A 5-year backtest shows a typical error of ±22.3%, with 100% of held-out values landing inside the 95% band.
+49%Change by 2029
1.3Projected 2029 index
0.72–1.995% range
±22.3%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 1.2 | 0.66 | 1.8 |
| 2026 | 1.2 | 0.67 | 1.8 |
| 2027 | 1.3 | 0.69 | 1.8 |
| 2028 | 1.3 | 0.70 | 1.8 |
| 2029 | 1.3 | 0.72 | 1.9 |
Routes In Northern Rockies
| Laurier | WASHINGTON | 22 | 2022 |
| Naples | IDAHO | 7 | 2024 |
| Centerville | IDAHO | 7 | 2019 |
| Chestnut | MONTANA | 7 | 2024 |
| Heart Butte | MONTANA | 7 | 2024 |
| Keller | WASHINGTON | 7 | 2007 |
| Deer Park | WASHINGTON | 7 | 2015 |
| Kalispell | MONTANA | 6 | 2024 |
| Alpine | WYOMING | 6 | 2024 |
| Wilson | WYOMING | 6 | 2024 |
| Challis | IDAHO | 5 | 2024 |
| Newbridge | OREGON | 5 | 2024 |
| Woodruff | UTAH | 5 | 2024 |
| Chewelah | WASHINGTON | 5 | 2021 |
| Otto | WYOMING | 5 | 2024 |
| Featherville | IDAHO | 4 | 2024 |
| Libby Dam | MONTANA | 4 | 2024 |
| Woodman | MONTANA | 4 | 2022 |
| Elliston | MONTANA | 4 | 2024 |
| East Glacier Park | MONTANA | 4 | 2024 |
| Wolf Creek | MONTANA | 4 | 2022 |
| Northport | WASHINGTON | 4 | 2023 |
| Nezperce | IDAHO | 3 | 2012 |
| Coolin | IDAHO | 3 | 2024 |
| Ninemile | MONTANA | 3 | 2024 |
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.