This report contains information obtained from the 1977-78 midwinter waterfowl survey, the 1978 waterfowl breeding population and production surveys, and the waterfowl harvest surveys for the 1977-78 hunting season.

This report contains information obtained from the 1978-79 midwinter waterfowl survey, the 1979 waterfowl breeding population and production surveys, and the waterfowl harvest surveys for the 1978-79

A study of canvasback (Aythya valisineria) breeding populations, nest success, productivity, and habitat requirements was conducted from 1961 to 1972 on a 181.3 square kilometer area south of Minnedosa, Manitoba.