Prairie Basin Wetlands of the Dakotas:
A Community Profile
Tables
Table 7. Density (pairs/km2) of breeding marsh and aquatic birds in North Dakota wetlands in 1965 and 1968-69 (from Kantrud and Stewart 1984).
| Wetland Classa | ||||
| Species | 2 | 3 | 4 | T |
| Horned grebe | 1.4 | 0.6 | ||
| Eared grebe | 3.9 | 1.9 | ||
| Western grebe | 0.2 | |||
| Pied-billed grebe | 5.4 | 11.9 | ||
| Black-crowned night heron | 0.4 | 4.2 | ||
| American bittern | 5.8 | 3.3 | 5.8 | |
| Northern harrier | 0.6 | 1.5 | ||
| Virginia rail | 0.4 | 1.8 | ||
| Sora | 10.1 | 12.9 | 12.6 | |
| American coot | 25.2 | 73.8 | 180.5 | |
| Piping plover (Charadrius melodus) |
0.2 |
|||
| Killdeer | 20.6 | 7.2 | 5.3 | |
| Willet | 10.1 | 12.3 | 7 | |
| Marbled godwit | 10.1 | 6.9 | 3.6 | |
| American avocet | 3.2 | 3.2 | 26.8 | |
| Wilson's phalarope | 45.4 | 28.9 | 11.5 | 62.5 |
| Black tern | 5.8 | 19 | 44.9 | |
| Marsh wren | 4.9 | 43.8 | ||
| Common yellowthroat | 7.9 | 7.8 | ||
| Yellow-headed blackbird | 11.1 | 18.1 | 253.3 | |
| Red-winged blackbird | 300 | 99.8 | 106.8 | |
| Savannah sparrow | 188.9 | 21.5 | 15.4 | |
| Total | 633.1 | 431.8 | 723.8 | 89.3 |
aTemporary (Class 2), seasonal (Class 3), semipermanent (Class 4) and undifferentiated tillage (Class T) wetlands.
