Black-tailed Jackrabbit
(Lepus californicus)
These nongame animals are found at desert and submontane elevations. Their population trend is stable. Breeding can occur year-round. One to four litters per year are born in deep depressions lined with hair. There is a 41-47 day gestation period. The 1 to 8 young are weaned in 2-3 weeks and dispersed at four weeks of age. Jack rabbits occupy home range sizes of 49-74 acres. They also concentrate in winter feeding areas. They feed on lush vegetation in the summer and woody and dried vegetation in the winter.
http://wildlife.utah.gov/pdf/mammal.pdf
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