All three sperm whales stranded off the northern coast of Prince Edward Island have died, a marine rescue organization says.

Tonya Wimmer, executive director of the Marine Animal Response Society, has said three sperm whales became beached on Saturday night near Hardy's Channel at East Bideford, P.E.I.

She said one died not long after it became stranded and a second died shortly after.

On Tuesday, the organization said factors including the size and weight of the surviving whale posed challenges and safety risks that could not be overcome.

"As such, collectively, the difficult decision was made to let nature take its course and let the animal pass naturally," it said on social media.

Wimmer said earlier that it's unlikely whales like these ones can survive after landing on shore.

"Wi

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