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Scientists solve mystery of whale song

Scientists solve mystery of whale song

One of the big mysteries surrounding exactly how some of the great whales are able to sing has been solved by scientists. Baleen whales (those without teeth), such as the humpback and blue whale, are well known for their complex and haunting underwater vocal calls that can reach thousands of miles through the ocean. But…

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Norway agrees to deep sea mining that threatens ocean wildlife

Norway’s parliament has voted to allow mineral exploration on the Arctic seabed despite objections from environmental campaigners. It aims to be first country to make deep-sea mining happen on a commercial scale despite it posing significant threats to ocean ecosystems and habitats, including deep-diving whales and dolphins.  The target area includes feeding grounds for many…

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Newer sonar technology still a threat to whales

A study into the effects of underwater sonar has revealed that newer technology is as disruptive to whales as sonar used by the military. Researchers at St Andrews University in Scotland, led by Professor Patrick Miller, compared experiments on continuous sonar near Norway undertaken previously with new data from the new, continuous sonar. Continuous sonar…

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Minke whale calls drowned out by ocean noise

New research in Australia suggests noise pollution is affecting how minke whales communicate We have known for some time that increasing ocean noise levels are affecting the behaviour of whales, dolphins and other marine creatures. Orcas and humpbacks, for example, have modified their behaviour to accommodate it. But scientists in Australia have discovered that minke…

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Noise pollution chronically stresses whales and dolphins

Whales and dolphins depend on sound to stay together in their family groups and whales used to be able to go on large hunting expedition to find their food, calling each other when they found it. However, according to a new study underwater noise pollution means they can only hear each other for around 10…

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