Rare footage of a humpback whale giving birth off Australia's coast has stunned researchers. (PR IMAGE PHOTO)Rare footage of a humpback whale giving birth off Australia's coast has stunned researchers. (PR IMAGE PHOTO) Credit: AAPA drone operator has revealed his amazement after capturing rare vision of a humpback giving birth off Australia's coastline. "There are three other published observations of humpback whale births worldwide, with a preliminary review identifying this birth as the first to be captured from the air," she said. The organisation's research team will analyse the footage and field observations before publishing its findings.