Evidence of Gadwalls breeding near Yellowknife, Northwest Territories
was observed in 1966, 1989, and 1990. These observations appear to be
the most northerly breeding records for this species in North America.
Recent observations of Gadwalls in the Yellowknife area may be explai
ned by one or more of the following; an increased number of observers,
drought displacement, population increase and range expansion. Numero
us sightings of Gadwalls have been reported for the western Northwest
Territories, suggesting that the breeding range in North America may e
xtend north to latitudes similar to those reported for the Palearctic.