Marine experts have given up hope of rescuing 157 false killer whales that stranded on a remote Australian beach.

Department liaison officer Brendon Clark said the stranding was the first by false killer whales in Tasmania in since 1974. That was a pod of more than 160 whales that landed on a beach near Stanley on the northwest coast. Strandings in Tasmania are usually pilot whales.

Feb. 18, 157 false killer whales were found beached on the northwest coast of Tasmania, an Australian state, by a cause that experts are still unsure of. One day later, the Associated Press reported,