Examples of diving ducks include the ruddy duck, mergansers and the harlequin duck, each with unique characteristics and habitats. There are three types of ducks: dabbling, diving and perching.

Why is the Western population of Harlequin ducks declining? Glacier National Park wildlife biologist Lisa Bate stood at the edge of Upper McDonald Creek last spring, frustrated. Just upstream, ...

Turbulent northern waters are favored by this strikingly patterned little duck. It is often found in summer on rushing rivers, diving and swimming against the current, climbing easily on steep and ...