Mallards over the 30 percent farm-raised DNA threshold are showing poor migration habits The author's drake mallard and three ...

For about a month, the hen will spend most ... of human actions on the mallard’s biology. Until the early 1900s, for example, this most common species of duck was actually quite uncommon ...

The black duck is often mistaken for a hen mallard on the wing. But a closer side-by-side comparison will quickly reveal the black duck’s much darker chocolate-brown feathers. It is also one of ...