Representative image
Representative image
PIC: wikimedia

A humpback whale has found its way back to sea weeks after it got lost in a murky, crocodile-infested river in northern Australia.

There have been no previous recorded sightings of whales in remote East Alligator River in the Northern Territory's World Heritage-listed Kakadu National Park, and no one can explain why at least three of the blue water mammals ventured so deep inland in a river with little visibility.

The last of the trio managed to navigate its way through shallow channels at the broad river mouth and back into Van Diemen Gulf over the weekend, Kakadu National Park manager Feach Moyle said on Monday.

"It made its way out on the high tides and we're pleased it appeared to be in good condition and not suffering any ill effects," Moyle said.

Humpbacks follow the western Australian coast in their annual migration from the tropics to Antarctica.

A group of recreational sailors first spotted the lost trio on Sept. 2 more than 20 kilometres (12 miles) from the river mouth.

Two of the whales had disappeared before wildlife authorities arrived a week later.

Northern Territory government whale and dolphin scientist Carol Palmer said it was a mystery why a whale would stray so far up a shallow river full of crocodiles.

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Free Press Journal

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