Northern Prairie Wildlife Research Center
| Areab | Year | Coyote | Red Fox | ||||
| Dens | Families | Dens | Families | ||||
| Canada | |||||||
| Alberta | |||||||
| Gayford | 1985 | 1 | 1 | 0 | 0 | ||
| Hay Lakes* | 1983 | 2 | 2 | 0 | 0 | ||
| 1984 | 5 | 4 | 0 | 0 | |||
| Penhold* | 1985 | 0 | 0 | 1 | 1 | ||
| Manitoba | |||||||
| Cartwright | 1983 | 0 | 0 | 1 | 1 | ||
| Moore Park* | 1983 | 0 | 0 | 1 | 1 | ||
| Saskatchewan | |||||||
| Ceylon | 1984 | 0 | 0 | 4 | 2 | ||
| Craik | 1984 | 0 | 0 | 4 | 4 | ||
| 1985 | 0 | 0 | 3 | 2 | |||
| Denzil | 1984 | 0 | 0 | 1 | 1 | ||
| 1985 | 0 | 0 | 3 | 1 | |||
| Earl Grey* | 1983 | 0 | 0 | 3 | 2 | ||
| Goodwater | 1984 | 0 | 0 | 1 | 1 | ||
| Hanley* | 1984 | 0 | 0 | 4 | 3 | ||
| Inchkeith* | 1985 | 0 | 0 | 3 | 1 | ||
| 1984 | 0 | 0 | 1 | 1 | |||
| Leask* | 1985 | 0 | 0 | 1 | 1 | ||
| 1984 | 1 | 1 | 0 | 0 | |||
| Yorkton* | 1985 | 3 | 2 | 0 | 0 | ||
| United States | |||||||
| Minnesota | |||||||
| Hawley* | 1987c | 0 | 0 | 3 | 3 | ||
| 1988c | 0 | 0 | 5 | 3 | |||
| Hitterdal* | 1988c | 0 | 0 | 5 | 3 | ||
| Lake Park* | 1987c | 0 | 0 | 3 | 2 | ||
| 1988c | 0 | 0 | 2 | 2 | |||
| Montana | |||||||
| Plentywood | 1983 | 0 | 0 | 1 | 1 | ||
| North Dakota | |||||||
| Courtenay | 1988c | 0 | 0 | 2 | 1 | ||
| Eldrige | 1987c | 0 | 0 | 2 | 2 | ||
| 1988c | 0 | 0 | 1 | 1 | |||
| Fredonia | 1987c | 1 | 1 | 2 | 2 | ||
| 1988c | 2 | 1 | 7 | 3 | |||
| Jud | 1987c | 1 | 1 | 0 | 0 | ||
| 1988c | 0 | 0 | 2 | 1 | |||
| Kulm | 1988c | 0 | 0 | 2 | 1 | ||
| Litchville | 1987c | 0 | 0 | 5 | 3 | ||
| 1988c | 0 | 0 | 9 | 4 | |||
| Plaza | 1983 | 0 | 0 | 1 | 1 | ||
| Sharon | 1983 | 0 | 0 | 1 | 1 | ||
| Streeter | 1983 | 0 | 0 | 1 | 1 | ||
| South Dakota | |||||||
| Hosmer | 1983 | 0 | 0 | 1 | 1 | ||