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Advertisement When the drone footage of the southern right whales first popped up on the screens of a handful of marine biologists this week they cheered. Susan Crocetti confesses to fighting back tears. They were watching footage of a mother and a newborn calf basking and breaching in the warm safe shallow of Jervis Bay. Moments later the drone operator pans up and a second mother and calf appeared on the screen. Southern Right whales off Jervis Bay. It was this moment that prompted the outbursts from the scientists. Once populous enough to cause colonials to complain of their sleep being disturbed by their nighttime groans in Tasmania’s Derwent River, the south eastern southern right was hunted to the brink of extinction. It was named the right because it was the ‘right’ whale to hunt as it had three times the mass of a humpback but the same length and a dangerous habit of loitering inshore. ....
Populations of southern right whales plummeted as a result of commercial whaling. Susan Crocetti, the marine wildlife team leader with the NSW National Parks and Wildlife Service, said the south-eastern population had not recovered to the same extent as populations off the coast of Western Australia, which were estimated to number about 3,000 individuals. “Our population is under 300 we and don’t fully know why,” she said. “There just isn’t a critical mass and momentum in the population for them to have recovered.” Southern right whales migrate from Antarctica each year to breed and calve in waters off the Australian east coast from about May until September or October, with the peak around July. ....