Canada, Alberta: Grizzly bears eating grain contaminated with heavy metals and hydrocarbons

By Cathy Ellis, St. Albert Today; April 16, 2020

BANFF – Bears are feeding on contaminated grain and vegetation along the railway line in Banff and Yoho national parks.

Researcher Sonya Pollock set out to determine if grain spilled from hopper cars, as well as vegetation eaten by grizzly bears growing next to the train tracks, could expose bears to pollutants that are usually found within a transportation corridor. 

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