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Techniques for studying nest success of ducks in upland habitats in the prairie pothole region
Abstract : Selected procedures are described for conducting nesting studies of upland nesting ducks in the prairie pothole region. Emphasis is on the use of standard procedures so that comparableExpand
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Ferruginous hawk nesting ecology and raptor populations in northern South Dakota
Studies of raptors have increased recently because some species have shown serious population declines (Ratcliffe 1967, Hickey 1969). Information on population dynamics and breeding biology ofExpand
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Use of no-till winter wheat by nesting ducks in North Dakota
ABSTRACT: Nesting of dabbling ducks (Anatinae) was studied in fields of no-till winter wheat (Triticum aestivum) in the prairie pothole region of North Dakota during 1984 and 1985. Total area of 59Expand
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Upland Nesting of American Bitterns, Marsh Hawks, and Short-Eared Owls
Nests of American bitterns lentiginosus) marsh hawks (Circus cyaneus), and short-eared owls (Asio u ually found in wetland habitats. Although large marshes containing dense stands of bulrushesExpand
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Construction and operation of cable-chain drag for nest searches
A 1 i s t of mater ia ls necessary t o b u i l d and use a 53-m-long cable-chain drag i s presented. Techniques are described f o r searching, f ind ing, and marking nests i n a t yp i ca l area o fExpand
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