31. The jerboas build large burrow systems, underground tunnels, to stay in during the day. 32. The Gobi jerboa is found in desert and steppe habitats, which are particularly well vegetated. 33. They also deduce that due to her high amount of hormones, Jerboa is pregnant from Donny. 34. Long-eared jerboas in most cases are nocturnal, There is a long eared Jerboa coin. 35. Long-eared jerboas in most cases are nocturnal, There is a long eared Jerboa coin. 36. Not much is known about the breeding habits of jerboas due to their solitary and nocturnal nature. 37. The Gobi jerboa 's tail helps to accelerate its bipedal gallop ( Evans and Hutchins ). 38. Small rodents include the lesser Egyptian jerboa , the Cheesman's gerbil and the Balochistan gerbil. 39. The steppes of the Southern Urals are dominated by hares and rodents such as susliks, and jerboa . 40. Most species of jerboa have excellent hearing that they use to avoid becoming the prey of nocturnal predators.