New Zealand: More than 20 pilot whales freed after being stranded again

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More than 20 pilot whales have been returned to deeper waters after a second stranding off New Zealand. “ The  whales are currently swimming freely off the coast and are monitored by a boat from the nature conservation authority,” the organization Project Jonah announced on Tuesday.
On Monday, 49 animals were stranded on the Farewell Spit headland. Some of them perished, but 28 survived the night.

However, helpers found this group on Tuesday in the same area off the South Island of the Pacific state. Volunteers formed a human chain to drive the whales into deeper water. © www.de24.news

 The re is a small group that has moved away from the main group, but they can still swim freely, according to a Twitter post in the afternoon.

Long-finned pilot whales belong to the dolphin family. © www.de24.news

 The  black mammals can be up to eight meters long.

© www.de24.news

 The re have been at least ten mass strandings on the Farewell Spit headland in the past 15 years. Most recently, almost 700 whales stranded there in February 2017, 250 of which died.

Scientists are puzzling why such fatal incidents keep occurring on the headland. According to one theory, it could be because the water at this point is particularly shallow, which disrupts the animals’ biosonar.
Icon: © www.de24.news

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[ source link ]
https://www.spiegel.de/panorama/mehr-als-20-grindwale-nach-erneuter-strandung-befreit-a-eef4660e-cec0-44fb-89ca-f4ac65d60359

Zealand pilot whales freed stranded

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