Species · North Dakota · BBS 2025 Release · 1966–2024
LeConte's Sparrow Population Trend in North Dakota
LeConte's Sparrow in North Dakota has collapsed: down 78% on the route-weighted index since 1970.
-78%Since 1970
35Routes In State
53Years
Notable LeConte's Sparrow Trends in North Dakota
long arc declinecomputed index
LeConte's Sparrow has collapsed in North Dakota: down 78% on the route-weighted index since 1970.
LeConte's Sparrow Population Forecast in North Dakota
If the recent trend holds, LeConte's Sparrow in North Dakota is projected to stay roughly flat through 2029, near 0.73 (95% range 0.00–2.0). A 5-year backtest shows a typical error of ±2035.5%, with 100% of held-out values landing inside the 95% band.
n/aChange by 2029
0.73Projected 2029 index
0.00–2.095% range
±2035.5%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 0.72 | 0.00 | 2.0 |
| 2026 | 0.72 | 0.00 | 2.0 |
| 2027 | 0.73 | 0.00 | 2.0 |
| 2028 | 0.73 | 0.00 | 2.0 |
| 2029 | 0.73 | 0.00 | 2.0 |
LeConte's Sparrow Survey Routes in North Dakota
| Abercrombie 2 | 5 | 2018 | 2017 |
| Emerado | 3 | 2009 | 1983 |
| Cooperstown | 3 | 2013 | 1970 |
| Ft Yates | 3 | 1999 | 1996 |
| Kempton | 2 | 2010 | 1982 |
| Bowesmont | 2 | 2010 | 1969 |
| Lakota | 2 | 2009 | 1981 |
| Niles | 2 | 2012 | 1992 |
| Bentley | 2 | 2000 | 1999 |
| Parshall | 2 | 2010 | 1994 |
| Douglas Crk | 2 | 1995 | 1995 |
| Carson | 1 | 2001 | 2001 |
| Walcott | 1 | 2007 | 2000 |
| Edgeley | 1 | 2019 | 2010 |
| Lake George | 1 | 2022 | 1998 |
| Danzig | 1 | 2005 | 2001 |
| Horsehead Lk | 1 | 2021 | 1988 |
| Buchanan | 1 | 2023 | 1976 |
| Nash | 1 | 1999 | 1995 |
| Webster | 1 | 2011 | 1995 |
| Rolla | 1 | 2013 | 2007 |
| Regan | 1 | 2021 | 1995 |
| Dunn Center | 1 | 2013 | 1984 |
| Carpio | 1 | 1996 | 1994 |
| Loraine | 1 | 2018 | 1984 |
LeConte's Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.