YOKOHAMA – An almost perfectly preserved frozen mammoth, excavated from the permafrost in eastern Siberia, was unveiled to the media Tuesday in Yokohama, where it will be on display from Saturday.

The 3-meter-tall mammoth is a 10-year-old female and is presumed to have died about 39,000 years ago. The frozen carcass, named “Yuka” after Russia’s Sakha (Yakutia) Republic where it was discovered, is believed to be one of the world’s largest.

Excavated in 2010, Yuka has a long trunk, arms and legs preserved in almost perfect condition. Since then, the carcass was conserved and studied by researchers at an institute in Russia....