Dr Karen Stockin: Massey University professor in marine ecology on the whale strandings in Golden Bay

Another four pilot whales have died in Tasman's Golden Bay, after re-stranding one kilometre north of where their pod was yesterday. On Monday, 37 whales stranded on Farewell Spit - yesterday, 13 were confirmed dead.  Multiple efforts to re-float the pod have been unsuccessful. Massey University's Dr Karen Stockin unpacks the emotional toll of the rescue efforts. LISTEN ABOVESee omnystudio.com/listener for privacy information.