| Woodland | Limnic | Grassland | Xeric Scrub | Unanal. Hab. | Migrant | Resident | Partly Migrant | |
| Old World Element | 0% | 0 | 8% | 0 | 12% | 11% | 78% | 11% |
| 27:16% | ||||||||
| North American Element | 69% | 6% | 17% | 4% | 4% | 72% | 14% | 14% |
| 77:44% | ||||||||
| South American Element | 93% | 0 | 7% | 0 | 0 | 93% | 7% | 0 |
| 15:8% | ||||||||
| Unanalyzed Origin | 22% | 56% | 13% | 0 | 9% | 79% | 16% | 5% |
| 53:32% |
Xeric-Scrub Habitats
Three species of Kansan birds can be placed in this category ([Table 1]). This is less than one per cent of the North American avifauna, two per cent of the Kansan avifauna, and ten per cent of the birds of xeric scrub habitats in North America. The three species are considered to be of North American origin.
Unanalyzed as to Habitat
Eleven species of Kansan birds could not be assigned to any of the habitat-types mentioned above. The total represents two per cent of the North American avifauna, six per cent of the birds of Kansas, and 55 per cent of the species reckoned by Udvardy (loc. cit.) to be unanalyzable. Fifty-five per cent is a large fraction, but only to be expected: species are considered unanalyzable if they show a broad, indiscriminate use of more than one habitat-type, and such birds tend to be widely distributed.
Table 5.—Analysis by Ecologic Status and Area of Origin of Migrant and Resident Birds
| Woodland | Limnic | Grassland | Xeric Scrub | Unanal. Hab. | Old World | N. Amer. | S. Amer. | Unanalyzed | |
| Migrant species | 52% | 29% | 12% | 1% | 6% | 2% | 49% | 12% | 37% |
| 117:67% | |||||||||
| Resident species | 73% | 0 | 15% | 5% | 7% | 51% | 26% | 2% | 21% |
| 40:23% | |||||||||
| Partly migrant | 64% | 11% | 17% | 0 | 6% | 17% | 66% | 0 | 17% |
| 17:10% |
Species Reaching Distributional Limits in Kansas
The distributional limits of a species are useful in indicating certain of its adaptive capacities and implying maintenance of or shifts in characteristics of habitats. Although it is generally an oversimplification to ignore abundance when treating of distribution, the present remarks of necessity do not pertain to abundance.
Table 6.—Breeding Birds Reaching Distributional Limits in Kansas