Dhaka, Feb. 23 -- More than 150 dolphins were found stranded on a beach in Australia's Tasmania state. Authorities on Wednesday said rescue teams were trying to save the animals who had survived.The rescue operation may prove challenging, due to the remote location of the beach and the difficulty in getting equipment there.Of the 157, 136 appeared to be alive as efforts began to save them. The Department of Natural Resources and Environment said marine life experts and veterinarians were at the site. The reason for these dolphins or false killer whales to be stranded is not known yet. They were found on an isolated beach in the island state's northwest coast, about 400km from the state capital, Hobart.This species of dolphin can grow up t...