The male and female mottled duck (Anas fulvigula) look about the same—unremarkable. Either one of them could easily be dismissed as just another female mallard, when in reality they are rare finds inland. So note the details. The mottled duck has a buffy tan head and throat, contrasting with the mottled brown body that gives…

The mallard (Anas platrhynchos) is a duck that most will recognize readily. The yellow bill, green head, white neck ring, chestnut breast, gray sides, orange legs, and black tail curls of the male are familiar sights across the country. In flight, notice his white belly. The female is less conspicuous. She is mottled brown overall….

The American black duck (Anas rubripes) is the darkest of the dabbling ducks. At first glance, it is easily dismissed as a particularly dark female of just about any duck species. But if you manage to get a good look, notice its intricately patterned feathers, dark brown-black with paler edges. Also note the relatively light-colored…

The male American wigeon is fairly distinctive, but the wary female can present an identification challenge.

Although not common in the United States, the Eurasian wigeon has been seen in several Kansas counties.

Identifying the quiet, nondescript gadwall requires a close attention to field marks.

The gaudy male wood duck (Aix sponsa) is a sight not readily forgotten. Its head shines an iridescent green, except where crossed by bold white lines on the crest or extending in a U shape from the throat. Its eyes are bright red, while its bill is an interesting combination of yellow, red, white, and…