The gander's distance from the nest as a function of the stage of the female's incubation period examined in a captive wild flock of giant Canada geese (Branta canadensis maxima)

Lindgren, Cory John2012-10-162012-10-161989http://hdl.handle.net/1993/9546xii, 146 leaves :engThe gander's distance from the nest as a function of the stage of the female's incubation period examined in a captive wild flock of giant Canada geese (Branta canadensis maxima)master thesis