Northern Prairie Wildlife Research Center
Breeding Range. (Fig. 145). Fairly common in the Turtle Mountains; uncommon locally in the Pembina Hills of Cavalier and Pembina Counties, and in the wooded deltaic sand area of western Pembina County. This species was found breeding commonly in the vicinity of Pembina in 1873 (Coues 1878) and was reported from there in 1879 (Roberts 1932) and in 1887 (V. Bailey) but apparently disappeared as a breeding species shortly thereafter. Other records indicate that it formerly occurred as a breeding bird in the vicinity of Grafton (H. V. Williams) and Grand Forks (Bent 1953).
Breeding Habitat. Dense tangles of shrubs, small trees, and vines that usually develop as a secondary stage of succession following forest fires. Red raspberry is often one of the important component species in these habitats.
Nesting. Probable breeding season: Early June to early August. Young birds just out of the nest were observed in the Turtle Mountains during July [1890-1896] by Judd (1917), and young also were observed at Pembina during the period July 21 - August 2, 1887 (V. Bailey).
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| Figure 145. Breeding Range of Mourning Warbler. |
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U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/birds/bbofnd/species/6790.htm
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Menlo Park, CA [caww54]
