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Hawaiian duck's future threatened by feral mallards

The greatest threat to the future of the Koloa maoli as a unique species is cross-breeding with the introduced Mallard duck. This type of threat is termed genetic extinction.

by Uyehara, Kimberly J.; Engilis, Andrew Jr.; and Reynolds, Michelle H.
U.S. Geological Survey Fact Sheet 2007-3047
This publication is available only as a PDF document.
Related topics:
Birds, Extinction and extirpation, Genetics, Nonindigenous species, Ornithology, Wildlife population management
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