Species · Idaho · BBS 2025 Release · 1966–2024
Cinnamon Teal Population Trend in Idaho
Cinnamon Teal in Idaho has fallen sharply: down 61% on the route-weighted index since 1971.
-61%Since 1971
36Routes In State
55Years
Notable Cinnamon Teal Trends in Idaho
long arc declinecomputed index
Cinnamon Teal has fallen sharply in Idaho: down 61% on the route-weighted index since 1971.
Cinnamon Teal Population Forecast in Idaho
If the recent trend holds, Cinnamon Teal in Idaho is projected to rise about 60% by 2029 — from 0.32 in 2024 to a central estimate of 0.51 (95% range 0.00–1.5). A 5-year backtest shows a typical error of ±42.7%, with 80% of held-out values landing inside the 95% band.
+60%Change by 2029
0.51Projected 2029 index
0.00–1.595% range
±42.7%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.53 | 0.00 | 1.5 |
| 2026 | 0.52 | 0.00 | 1.5 |
| 2027 | 0.52 | 0.00 | 1.5 |
| 2028 | 0.52 | 0.00 | 1.5 |
| 2029 | 0.51 | 0.00 | 1.5 |
Cinnamon Teal Survey Routes in Idaho
| Naples | 10 | 2022 | 1973 |
| Preston | 8 | 2014 | 1988 |
| Blackft Res | 6 | 2018 | 1984 |
| Dougal Res | 6 | 1991 | 1990 |
| Blacks Creek | 4 | 1989 | 1971 |
| Henry | 4 | 1981 | 1974 |
| Twin Buttes | 3 | 1999 | 1999 |
| Glenns Ferry | 3 | 1986 | 1986 |
| Bates | 3 | 2023 | 1989 |
| Cedar Hill | 3 | 2024 | 1992 |
| Mivoden | 2 | 1977 | 1977 |
| Baker | 2 | 2024 | 1974 |
| Challis | 2 | 1995 | 1975 |
| Centerville | 2 | 2011 | 1995 |
| Craters | 2 | 1983 | 1982 |
| Triangle | 2 | 2015 | 1986 |
| Pocatello | 2 | 1998 | 1994 |
| Salmon River | 2 | 1988 | 1988 |
| Burgdorf | 2 | 1990 | 1990 |
| Iron Springs | 2 | 2024 | 1988 |
| Featherville | 2 | 2011 | 2001 |
| Cabarton | 2 | 1994 | 1986 |
| Kyle Canyon | 1 | 1999 | 1999 |
| Cascade | 1 | 1984 | 1968 |
| Cape Horn | 1 | 1997 | 1997 |
Cinnamon Teal Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.