Bird species include the bald eagle, osprey, and Harlequin duck.

No harlequin ducks or canvasbacks may be shot.

Canvasback and harlequin ducks may not be shot.

The Harlequin Duck is a duck that lives in the sea.

Harlequin ducks and red-breasted mergansers are seen on swift-flowing rivers.

Canvasbacks and harlequin ducks are off limits.

The Harlequin Duck is a colorful species of waterfowl found in the lakes and waterways.

The Harlequin duck is a small diving duck that feeds on bottom life of rivers, ponds and lakes.

This was followed by similar awards in 1964 for the bufflehead and in 1977 for being first to breed the harlequin duck.

Historical status of Harlequin Ducks wintering in eastern North America - a reappraisal.

Rare species of bird to be seen here include the harlequin duck (Histrionicus histrionicus).

More rare are mountain lions, Snow Geese, mountain goats, and Harlequin Ducks.

Common murres, harlequin ducks, horned puffins, pigeon guillemots, and spectacled eiders.

Seals can often be glimpsed in the waters here, and I've spotted uncommon seabirds like harlequin duck and razorbill.

The worries, environmentalists say, are focused on species that frequent the intertidal areas of Prince William Sound, like clams, mussels and harlequin ducks.

The Harlequin Duck is the symbol of the Land Conservancy of British Columbia.

Other scientists have found that some species of water birds, particularly Harlequin ducks, are failing to reproduce in areas of the sound that were covered in oil.

You've got Coeur d'Alene salamanders, fishers, harlequin ducks, wolverines.

Some aspects of the behavior and ecology of Harlequin Ducks breeding in Glacier National Park, Montana.

A. A couple of weeks ago on our annual bird count in Westport, someone spotted a harlequin duck in Norwalk Harbor, which is quite rare.

December brought American eels, canvasback duck, buzzard hawks, black ducks, harlequin ducks, Iceland gull and many other species.

Histrionicus, Harlequin Duck (includes Ocyplonessa)

It is one of only four waterfowl species that are adapted to life on fast-flowing rivers, the other being the Torrent, the Blue and Harlequin Duck.

Jones Beach State Park Bonaparte's gull and snow gunting (common), harlequin duck and snowy owl (rare) 4.

Long-term effects occur predominantly in these and other species, like harlequin ducks, oyster catchers and juvenile sea otters, which feed or breed in the intertidal zone.

Rare species of bird to be seen here include the harlequin duck (Histrionicus histrionicus).

The Harlequin Duck (Histrionicus histrionicus) is a small sea duck.

The 'Harlequin Duck', 'Histrionicus histrionicus', is a small Merginae.

HARLEQUIN DUCK Histrionicus histrionicus.

Two endangered species of this ecoregion are the Harlequin Duck (Histrionicus histrionicus) and the Flooded Jellyskin (Leptogium rivulare).

The Eastern and Western populations are sometimes recognized as two different subspecies, the Eastern race being the nominate H. histrionicus histrionicus, and the Western race as H. h. pacificus, but there has been doubt on the validity of this taxon.