Mallards over the 30 percent farm-raised DNA threshold are showing poor migration habits The author's drake mallard and three ...
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It may quack like a duck, but science shows eastern and western mallards are differentThat is to say, the first drake (male) duck. With his iridescent green head and yellow bill ... point — the impact of human actions on the mallard’s biology. Until the early 1900s, for ...
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