(Photo credit: AP/NOAA/Holly Fearnbach)
A white killer whale was spotted by US scientists aboard NOAA research ship Oscar Dyson who were conducting an acoustic survey of pollock near Steller sea lion haulout sites in Alaska's Aleutian Islands. The whale appeared to be a healthy, adult male about 25 to 30 feet long and weighing upward of 10,000 pounds. Link
Read also, Migaloo, World's only completely white humpback whale.