Assertion: fire ant's mound | /r/MadeOf | eight million individuals
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text: In a few years, the central mound of their underground nests can grow to more than 30 metres (98 ft) across, with smaller, radiating mounds extending out to a radius of 80 metres (260 ft), taking up 30 to 600 square metres (320 to 6,460 sq ft) and containing eight million individuals.