Canadian Journal of Zoology 87:31-40.
Publication Date: 
2009
Interactions among harlequin ducks, Histrionicus histrionicus, fish, and their shared aquatic insect prey
 LeBourdais, S. V., R. C. Ydenberg, and D. Esler.  2009.  Fish and harlequin ducks compete on breeding streams.  Canadian Journal of Zoology 87:31-40.