Dabbling ducks, also known as puddle ducks ... the most common species of merganser. The red-breasted merganser (Mergus serrator) looks like the common merganser, but it has different nesting ...

While the black duck is an east-coast icon, it also ranges westward to the Mississippi flyway. Known as one of the wariest and hardest-to-kill of all the puddle ... many other species of waterfowl ...

The simple answer is that gadwalls aren’t as flashy as some of the more beloved waterfowl species ... The gray duck’s visual claim to fame is it’s the only North American puddle duck ...