World's largest eagle migration happens in Canada, and it's stunning

Migrating bald eagles might be facing new challenges this year.

Ted Swaine is the general manager of Rowena's Inn, located right on the Harrison River, which is also the location of the world's biggest bald eagle gathering.

Scientist David Hancock has counted more than 7,000 bald eagles in one day in the area. The eagles migrate into the area when the ice freezes in the Arctic, attracted to the river due to its abundance of salmon.

But this year, the salmon numbers have been noticeably low.

The Weather Network has reported on several stories about struggling salmon stocks, which have been impacted by everything from a landslide, to the warming water trend known as the blob.

According to Hancock, this chain of events could be catastrophic for the eagles.

He's hoping there might be another solution for the birds to find food without having to travel further, but adds that we need to do something to help the salmon population, which are a valuable food source to several wildlife species in B.C.

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Reporter Mia Gordon has the full story in the video above.