Mysterious noises which have plagued lighthouse keepers for generations could be humpback whales sneezing, according to new research.
The low, eerie rumbles have travelled up to five miles, been felt through the structures of buildings for decades and have confused fisherman.
But now scientists working in Alaska have traced them back to the region’s humback whales.
The humming sounds have never been described in academic literature and why the whales make the noise remains a mystery.
Fred Sharpe, a biologist with the Search for Extraterrestrial Intelligence Institute (SETI), led the research which centred on the Five Finger lighthouse in Frederick Sound, southeast Alaska.
He said the noise,
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