An amazing video has emerged from California, USA of a lost gray whale at Laguna Beach only a few feet away from a group of swimmers.
The incredible drone footage shows the marine mammal cruising around the shallows of the clear blue water.
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The swimmers appear to be oblivious to the huge creature beneath them.
"A gray whale showed up inside Dana Point Harbour today and was lost inside for a couple hours," the filmer wrote online.
"After it exited the harbour, it continued up the coast towards Alaska where the rest of the gray whales are feeding right now.