1) Genus dipodomys 2) Kangaroo rats 3) Mammal genus 
A genus of the family heteromyidae which contains 22 species. Their physiology is adapted for the conservation of water, and they seldom drink water. They are found in arid or desert habitats and travel by hopping on their hind limbs. ... (12 Dec 1998) ... 
[n] - kangaroo rats
genus Dipodomys noun kangaroo rats