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, ...

University of Montana graduate student Holli Holmes is changing the way Glacier Park studies waterfowl by introducing the use of environmental DNA capture techniques. (Jeremy Weber/Daily Inter Lake) ...

WILDLIFE WATCHING -- A male harlequin duck, known to be at least 17 years old, was recently identified in Glacier National Park by University of Montana researchers and Glacier National Park ...

Without wings, smaller terrestrial animals are really restricted when it comes to moving long distances to find new areas of habitat. However, lots of species get around this problem simply by ...

This is a preview. Log in through your library . Abstract The effects of low-level aircraft over-flights on behaviour of harlequin ducks (Histrionicus histrionicus) breeding in central Labrador were ...