Just one of five pilot whales spotted in the Forth on Tuesday has a chance of survival.
Marine rescue experts fear pilot whales which stranded on a Fife beach have perished.
Marine rescue experts have lost track of a pod of pilot whales believed to have been stranded in the Forth after one of the animals became sick or injured.
Fears are growing for at least one of five pilot whales which were found "stranded" off the Fife coast on Tuesday.
Fifty-one pilot whales have died in a mass stranding in New Zealand, less than a week after 145 pilot whales and nine pygmy killer whales perished in two other unrelated strandings.