Mottled skin can be caused by a variety of health conditions, or it may just be the cold environment you’re in. Here are some of the most common causes.

Livedo reticularis, commonly known as mottled skin, causes patterned areas to appear on the skin. It may result from reduced blood flow to the skin, for example, because of a health condition or ...

Hybridization between Mottled Ducks (Anas fulvigula maculosa) and Mallards (A. platyrhynchos) in the western Gulf Coast region. The Condor, 2017; 119 (4): 683 DOI: 10.1650/CONDOR-17-18.1 ...

There are still a lot of them. A 2016 survey estimated the breeding population of mottled ducks in Texas and Louisiana at about 136,000. But there are concerns about the birds’ future ...

The mottled duck is a relative of the mallard and looks like a cross between a black duck and a hen mallard. The drakes and hens are hard to tell apart except that the male’s bill (pictured right) is ...