33 Humpback Whales Practise ‘Unique’ Bubble-net Feeding for the First Time in Australia, Old Video Goes Viral

For the primary time ever, a gaggle of humpback whales was noticed practising bubble-net feeding off the New South Wales coast. The incident, which passed off in 2020, was captured in unbelievable footage shot through drone. It was later shared by the journal Aquatic Conservation. The superpod comprised of about 33 whales displayed distinctive feeding behaviour.

Bubble-net feeding is a method {that a} college of whales makes use of to hunt for prey cooperatively. The whales work collectively in a gaggle and strategically blow bubbles and manipulate the prey to make feeding straightforward. As per the research, this distinctive behaviour has solely been seen amongst humpback and Bryde’s whales thus far.

Prior to this sighting on the Australian coast, the humpbacks had beforehand solely been documented within the southern hemisphere of South Africa. As these marine mammals often feed on the coast of Antarctica throughout the summer season months and migrate to North Australia to breed within the winter, the cluster captured off the Sapphire Coast in southern New South Wales was an ‘unbelievable’ prevalence.

Due to the overfishing of humpback whales when whaling was in its prime, their inhabitants declined in previous years pushing them to close extinction. But as a consequence of modifications in legal guidelines and new insurance policies regarding their conservation, thankfully, their numbers are growing. The video of whales displaying the supergroup feedings is of nice curiosity to scientists and conservationists because it highlights the modifications within the marine atmosphere, which could in any other case go unnoticed.

Dr Vanessa Pirotta, from Macquarie University’s marine predator analysis group and the lead writer on the research, stated, “It would have regarded like a sea of whales. For us to see [the super-groups] in Australian waters is fairly thrilling.” She added that whales are important for the marine ecosystem to thrive. As the marine mammals feed in a single space and poo in one other, they assist transfer the vitamins within the oceans and assist the meals internet underwater our bodies to perform correctly.

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