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Red fox predation on breeding ducks in midcontinent North America

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Red fox predation on breeding ducks in midcontinent North America; 1984; Report; Wildl. Monogr.; 89; Sargeant, A. B.; Allen, S. H.; Eberhardt, R. T.

Summary

Red fox (Vulpes vulpes) predation on nesting ducks was assessed by examining 1,857 adult duck remains found at 1,432 fox rearing dens from 1968 to 1973. Dabbling ducks were much more vulnerable to foxes than diving ducks. Dabbling ducks (1,798) found at dens consisted of 27% blue-winged teals (Anas discors), 23% mallards (A. platyrhynchos), 20% northern pintails (A. acuta), 9% northern shovelers (Spatula clypeata), 8% gadwalls (A. strepera), 3% green-winged teals (A. crecca), 2% American wigeons (A. americana), and 10% unidentified. Relative abundance of individual species and nesting chronology were the most important factors affecting composition of ducks taken by foxes. Seventy-six percent of 1,376 adult dabbling ducks and 40% of [...]

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Type Scheme Key
local-index unknown 2002355
local-pk unknown 2002355
series unknown Wildlife Monograph

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journalWildlife Monograph
languageEnglish
citationTypeReport

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