Harlequins are the clown ducks of Glacier Park

One definition of a harlequin is a clown. That's how harlequin ducks got their name. With their bold white and black markings, they look to all the world like they are dressed in a clown costume.

While they may look like clowns, they are anything but. These are some of the most serious-minded creatures in Montana. They are one of the few species of migratory foul that actually migrate in an east-west pattern rather than north and south. While in Montana, they reside near the fastest whitewater they can find and actually fly underneath the water to feed during the summer.

In Glacier National Pa...