Canada

This is the best summary I could come up with:

The peculiar message comes as moose have been trekking onto highways to lick salt off of roads and passing vehicles, says Tracy McKay with Parks Canada.

McKay says Parks Canada puts out a warning every winter as moose venture down to highways to fuel their salt intake.

Roy Rea, an assistant professor at the University of Northern British Columbia, has been studying moose for 25 years, particularly why they come close to transportation corridors.

Rea says the large creatures search for salt in the winter because they need a lot of sodium to maintain their bodily functions.

With December and January being the darkest and often coldest months, Rea is warning drivers to be extra cautious while driving on highways.

"There's been a few projects in various places that have tried salt alternatives, but they tend to be more expensive or they don't work as well or both," she said, adding the warning is a way to preserve Canada's moose population.

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