The dolphins or false killer whales were found on an isolated beach in northwest Tasmania. About 136 are alive, but authorities say it will be a challenge to refloat them.

Dozens of endangered dolphins were stranded on a beach in Tasmania, Australia on Wednesday (Feb 19) as rescue crews scrambled to save the majority that survived. Tasmania's environment department said

Dozens of dolphins have died after a pod of more than 150 stranded on a remote beach in Australia's southern island of Tasmania, environment officials said Wednesday.A pod of 157 dolphins from a poorly understood deep-sea species was believed to have stranded in the past 48 hours -- with "approximately 90" still alive as of Wednesday morning.