The epic journey of Gray Whales

The animals travel 18,500km annually in what is one of the longest migration by any mammal on earth.

    The majestic Gray Whales undertake one of the longest migrations by any mammal on the earth.

    These animals spend their entire lives within a few kilometres of the shoreline yet their 18,500km annual migration take them from the Bering Sea between Russia and Alaska all the way down to Mexico's western coast.

    Al Jazeera's Franc Contreras takes us to the world's oldest whale sanctuary in the Baja California peninsula.

    SOURCE: Al Jazeera


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