Add Yahoo as a preferred source to see more of our stories on Google. Winterkill happens in shallow lakes when ice and snow levels above the water’s surface becomes so thick that light can’t penetrate ...

Thousands of fish are dead or dying in the Vermilion Lakes near Banff due to a phenomenon known as “winterkill.” Last weekend, Parks Canada officials were contacted by someone alarmed by the number of ...

Scores of dead fish at Vermilion Lakes due to winterkill, Parks Canada says Those taking in the views at a popular lake near Banff, Alta., will likely see a large amount of dead fish from the shore, ...