Species · North Dakota · BBS 2025 Release · 1966–2024
Clay-colored Sparrow Population Trend in North Dakota
Clay-colored Sparrow in North Dakota has increased: up 34% on the route-weighted index since 1969.
+34%Since 1969
51Routes In State
57Years
Notable Clay-colored Sparrow Trends in North Dakota
No notable trend signals for Clay-colored Sparrow in North Dakota. See the full index history below.
Clay-colored Sparrow Population Forecast in North Dakota
If the recent trend holds, Clay-colored Sparrow in North Dakota is projected to rise about 58% by 2029 — from 17 in 2024 to a central estimate of 27 (95% range 19–35). A 5-year backtest shows a typical error of ±31.1%, with 80% of held-out values landing inside the 95% band.
+58%Change by 2029
27Projected 2029 index
19–3595% range
±31.1%Backtest error
| Year | Projected index | 95% low | 95% high |
|---|---|---|---|
| 2025 | 26 | 17 | 34 |
| 2026 | 26 | 18 | 35 |
| 2027 | 26 | 18 | 35 |
| 2028 | 27 | 18 | 35 |
| 2029 | 27 | 19 | 35 |
Clay-colored Sparrow Survey Routes in North Dakota
| Turtle Mtns | 58 | 2024 | 1980 |
| Sheyenne Lk | 45 | 2024 | 1980 |
| Emerado | 40 | 2024 | 1973 |
| Cooperstown | 34 | 2024 | 1969 |
| Buchanan | 34 | 2024 | 1967 |
| Kempton | 30 | 2017 | 1967 |
| Wild Rose | 30 | 2024 | 1982 |
| Horsehead Lk | 29 | 2024 | 1980 |
| Gorham | 27 | 2018 | 1968 |
| Carpio | 23 | 2023 | 1967 |
| Danzig 2 | 23 | 2024 | 2019 |
| Loraine | 22 | 2019 | 1982 |
| Denbigh | 22 | 2024 | 1968 |
| Parshall | 22 | 2013 | 1982 |
| Regan | 21 | 2022 | 1968 |
| Dickinson | 18 | 2024 | 1969 |
| Powers Lake | 17 | 2024 | 1980 |
| Danzig | 16 | 2014 | 1982 |
| Zap | 16 | 2024 | 1967 |
| Montpelier | 16 | 2024 | 1990 |
| Edgeley | 15 | 2024 | 1983 |
| Stanley | 13 | 2024 | 1967 |
| Lakota | 11 | 2009 | 1968 |
| Nash | 10 | 2017 | 1980 |
| Tobacco | 10 | 2019 | 1968 |
Clay-colored Sparrow Population Trend in Other States
Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22.