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WordReference Random House Unabridged Dictionary of American English © 2024kangaroo′ rat′, - Mammalsany of various small jumping rodents of the family Heteromyidae, of Mexico and the western U.S.
- Mammalsan Australian desert rodent of the genus Notomys.
Collins Concise English Dictionary © HarperCollins Publishers:: kangaroo rat n - any small leaping rodent of the genus Dipodomys, related to the squirrels and inhabiting desert regions of North America, having a stocky body and very long hind legs and tails: family Heteromyidae
- Also called: kangaroo mouse any of several leaping murine rodents of the Australian genus Notomys
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