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