How large was the extinct rodent Josephoartigasia monesi?

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black-tailed prairie dog — rodent Black-tailed prairie dog (*Cynomys ludovicianus*).

The extinct rodent Josephoartigasia monesi is recognized as the largest rodent ever recorded. Living during the Pliocene and Pleistocene epochs, this massive creature reached an estimated length of approximately 3 metres (10 feet) and weighed nearly 1,000 kg.1