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Management of Northern Prairies and Wetlands for the Conservation of Neotropical Migratory Birds

Table 3


Table 3.  Mean number of indicated breeding pairs in 128 randomly selected quarter-sections in North Dakota by year, migration strategy, and preferred breeding habitat.
Migration strategy Mean pairs/100 ha
1967 1992 1993
Permanent resident 2.6 5.7 6.1
Short-distance migrant 95.5 74.7 99.5
Long-distance migrant 43.2 52.3 45.4
Breeding habitat
Wetland/wet meadow 37.5 24.7 32.6
Grassland/open habitat 71.7 59.3 68.3
Open habitat with trees 5.5 10.6 9.7
Shrubland 7.2 7.5 9.0
Woodland/woodland-edge 15.6 24.6 25.3
Residential/generalist 3.7 5.7 5.8
Other 0.1 0.3 0.3
Total 141.3 132.7 151.0

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