Northern Prairie Wildlife Research Center
| Family | Number of Species | Mean Population | % Total |
| Icteridae | 10 | 100700 | 34.1 |
| Fringillidae | 19 | 549000 | 18.6 |
| Passeridae | 1 | 214500 | 7.3 |
| Columbidae | 2 | 181000 | 6.1 |
| Tyrannidae | 6 | 166000 | 5.6 |
| Turdidae | 2 | 120000 | 4.1 |
| Apodidae | 1 | 95000 | 3.2 |
| Alaudidae | 1 | 87000 | 2.9 |
| Hirundinidae | 6 | 86000 | 2.9 |
| Sturnidae | 1 | 85000 | 2.9 |
| Picidae | 5 | 77000 | 2.6 |
| Troglodytidae | 4 | 60000 | 2.0 |
| Scolopacidae | 4 | 36000 | 1.2 |
| Parulidae | 2 | 36000 | 1.2 |
| Mimidae | 3 | 27000 | 0.9 |