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Study finds southern right whale mothers rest upside down to limit nursing and conserve energy during calving season off South Australia. UWA and Aarhus University researchers used drones at the Head of Bight, finding nursing dropped as upside-down resting rose, a behavior not previously recorded in large whales.

A new study published in Mammalian Biology finds southern right whale mothers rest upside down to limit nursing and conserve energy during calving season. Researchers from the University of Western Australia and Aarhus University used drones to record dozens of mother-calf pairs at the Head of Bight calving ground off South Australia, observing that nursing decreased as upside-down resting increased.

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