Species · Utah · BBS 2025 Release · 1966–2024
Northern Pintail Population Trend in Utah
Northern Pintail in Utah has collapsed: down 86% on the route-weighted index since 1980.
-86%Since 1980
29Routes In State
39Years
Notable Northern Pintail Trends in Utah
long arc declinecomputed index
Northern Pintail has collapsed in Utah: down 86% on the route-weighted index since 1980.
Northern Pintail Population Forecast in Utah
If the recent trend holds, Northern Pintail in Utah is projected to rise about 110% by 2029 — from 0.05 in 2024 to a central estimate of 0.11 (95% range 0.00–0.86). A 5-year backtest shows a typical error of ±246.8%, with 100% of held-out values landing inside the 95% band.
+110%Change by 2029
0.11Projected 2029 index
0.00–0.8695% range
±246.8%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.17 | 0.00 | 0.93 |
| 2026 | 0.15 | 0.00 | 0.91 |
| 2027 | 0.14 | 0.00 | 0.89 |
| 2028 | 0.12 | 0.00 | 0.88 |
| 2029 | 0.11 | 0.00 | 0.86 |
Northern Pintail Survey Routes in Utah
| Bear River | 17 | 2023 | 1992 |
| Moon Lake | 9 | 1995 | 1995 |
| Promontory | 7 | 2006 | 1972 |
| Saleratus Cr | 6 | 2018 | 1995 |
| Vernal | 6 | 2012 | 2003 |
| Gold Hill | 5 | 2018 | 2008 |
| Main Canyon | 4 | 1988 | 1988 |
| Neponset Res | 3 | 2017 | 1995 |
| Skyline Driv | 3 | 1990 | 1988 |
| Hill Creek | 3 | 1994 | 1994 |
| E. Bear Lake | 2 | 2021 | 1996 |
| Oak City | 2 | 1997 | 1984 |
| Goshen | 2 | 2006 | 1996 |
| Woodruff | 2 | 2021 | 2021 |
| Navajo Lake | 2 | 2008 | 2008 |
| Lynn | 2 | 2012 | 1996 |
| Wellington 2 | 2 | 2011 | 2011 |
| Snowville | 2 | 2024 | 2015 |
| Cleveland | 2 | 2016 | 2014 |
| Altonah | 1 | 1980 | 1980 |
| Beaver | 1 | 1973 | 1973 |
| Randolph | 1 | 2024 | 1992 |
| Callao | 1 | 2022 | 1992 |
| Leamington | 1 | 1996 | 1996 |
| Castle Dale | 1 | 1993 | 1993 |
Northern Pintail Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.