Funding for this research was provided by:
Institute for Wetland and Waterfowl Research, Ducks Unlimited Canada
U.S. Fish and Wildlife Service
Environment and Climate Change Canada
Conservation Education International
Alberta North American Waterfowl Management Plan Science Fund
Article History
Received: 11 August 2017
Accepted: 26 March 2018
First Online: 7 April 2018
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.