Frequency and types of alternative breeding strategies employed by nesting American black ducks in North Carolina
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DOI: 10.1371/journal.pone.0278905
Abstract: Although most birds are considered to be at least partially monogamous, molecular evidence continues to uncover that many species can have multiple sexual mates. Many species of Waterfowl (Order Anseriformes) consistently deploy alternative breeding strategies,… read more here.
Keywords: breeding strategies; breeding; american black; black ducks ... See more keywords
Clade 2.3.4.4 H5 North American Highly Pathogenic Avian Influenza Viruses Infect, but Do Not Cause Clinical Signs in, American Black Ducks (Anas rubripes)
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DOI: 10.1637/11950-081418-resnote.1
Abstract: SUMMARY. Highly pathogenic avian influenza virus (HPAIV) from the goose/Guangdong/1996 clade 2.3.4.4 H5 lineage spread from Asia into North America in 2014, most likely by wild bird migrations. Although several variants of the virus were… read more here.
Keywords: h5n2; black ducks; north american; avian influenza ... See more keywords
Increases in the Number of American Black Ducks Wintering in Nova Scotia, 1970–2015
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DOI: 10.3996/032017-jfwm-031
Abstract: Abstract Despite extensive conservation and management efforts, American black duck (Anas rubripes) populations remain below desired population levels. Researchers have noted declines at a number o... read more here.
Keywords: increases number; number american; number; american black ... See more keywords
Food Resources for Wintering and Spring Staging American Black Ducks
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DOI: 10.3996/102018-jfwm-096
Abstract: Habitat restoration and enhancement objectives for wintering waterfowl are typically derived by a bioenergetics modeling approach. This approach has been developed as a planning tool to identify the amount of foraging habitat required to meet… read more here.
Keywords: seed; salt marsh; density; american black ... See more keywords