Australian wildlife officers have made the difficult decision to euthanize 90 false killer whales stranded on a remote beach in Tasmania, after rough ocean conditions made it impossible to refloat them.

Marine experts have given up hope of rescuing more than 150 false killer whales that stranded on a remote beach on Australia’s island state of Tasmania, officials said on Wednesday.Experts including veterinarians were at the scene near the Arthur River on Tasmania’s northwestern coast where 157 whales were discovered on an exposed surf beach on Tuesday afternoon,