All but six of the more than 150 short-finned grind that were thrown out on the coast of Western Australia died, despite the efforts of the authorities and local beach-goers.
Marine mammals jumped ashore in the Gulf of Hamelin, 315 km south of the capital of Perth, between 22 and 23 March.
Authorities, veterinarians and local residents tried to move fifteen of the migrating whales from shallow water, but only seven were successfully placed back into the water.
A representative of the Department of Biodiversity, Conservation and Attractions of Western Australia reported that one grind was thrown out again and had to be put to sleep. While the survivors are six whales, although the controlling situation, Jeremy Chick said that they can throw themselves again elsewhere.
Grinds, which are related to dolphin, weigh from one to four tons, which presents difficulties for local authorities, who are now working on the utilization of corpses.
Although grinds are regularly thrown out to the coastal strip, migrating between places of feeding in Antarctica and warmer northern waters, where young animals are grown, the huge number of ejected animals is unusual this time.
It was previously recorded a mass ejection in 1996, when 320 ordinary grinds were thrown to the north of the Gulf of Hamelin and died.
Local residents and tourists were warned that while entering the water can not be due to the influx of sharks, attracted by dead grinds. The beach was temporarily closed.