Rescue efforts are underway to free nearly two-hundred whales

There are nearly two-hundred pilot whales stranded on a sandbank inside Macquarie Harbour, a bay on the west coast of the Australian island. Rescuers are trying to free them as we hear from Dr Vanessa Pirotta, wildlife scientist and science communicator. (Picture:Stranded whales at Macquarie Harbour,Tasmania, Australia, September 22, 2020. Credit: Reuters)