A huge geoglyph in the shape of an elk or deer discovered in Russia may predate Peru's famous Nazca Lines by thousands of years.

The animal-shaped stone structure, located near Lake Zjuratkul in the Ural Mountains, north of Kazakhstan, has an elongated muzzle, four legs and two antlers. A historical Google Earth satellite image from 2007 shows what may be a tail, but this is less clear in more recent imagery.

Excluding the possible tail, the animal stretches for about 900 feet (275 meters) at its farthest points (northwest to southeast), the researchers estimate, equivalent to two American football fields. The figure faces north and would have been visible from a nearby ridge....