Jackrabbits

Jackrabbits are a group of North American hares in the genus Lepus. Although commonly called rabbits, they are not true rabbits; they belong to the family Leporidae and are adapted for speed and open-country life. The term usually refers to several western species, notably the black-tailed jackrabbit (Lepus californicus) and the white-tailed jackrabbit (Lepus townsendii), as well as the antelope jackrabbit (Lepus alleni) found in the southwestern United States and northern Mexico.

Physical characteristics include long ears, a lean body, and very strong hind legs that enable rapid running. Top speeds can exceed 35 miles per hour, and jackrabbits rely on swift, erratic bursts and quick changes of direction to escape predators. They do not dig extensive burrows; instead they use open, brushy cover or shallow depressions, or may take shelter in the burrows of other animals.

Habitat and ecology: Jackrabbits inhabit a range of open habitats, including deserts, grasslands, sagebrush flats, and agricultural areas. They are often most active at dawn, dusk, and during the night, though some populations are active during the day in cooler seasons. Their diet is herbivorous, mainly grasses, forbs, shrub leaves, and bark, which they browse seasonally.

Reproduction: Females can produce multiple litters per year. Gestation is about 42 days, with litter sizes typically ranging from 3 to 6 precocial young that are born with fur and open eyes and can move shortly after birth.

Conservation: Jackrabbit populations can fluctuate with resource availability and climate. They are not generally considered endangered, but habitat loss and agricultural practices can impact local numbers.