How deep can an armadillo burrow extend underground?

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Nine-banded armadillo (Dasypus novemcinctus). — armadillo Nine-banded armadillo (*Dasypus novemcinctus*).

Armadillo burrows can extend up to 1.5 metres (5 feet) underground. These structures are created by the animals to accommodate their specific size and shape, and they can reach lengths of up to 6 metres (20 feet) with as many as 12 separate entrances.1