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Impact of Red Fox Predation on the Sex Ratio of Prairie Mallards

Figure 9: The North American Breeding Range of the Mallard

GIF-The North American breeding range of the mallard

Fig 9. The North American Breeding range of the mallard, showing the Prairie Pothole Region, where about half of the continental population nests. Map adapted from Johnsgard (1975) and Stewart and Kantrud (1973).

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