The black-tailed jackrabbit does not migrate or hibernate during winter and uses the same habitat of 0.4–1.2 sq mi (1.0–3.1 km 2) year-round. The average litter size is around four, but may be as low as two and as high as seven in warm regions. Young are born fully furred with eyes open they are well camouflaged and are mobile within minutes of birth, thus females do not protect or even stay with the young except during nursing. Their breeding depends on the location it typically peaks in spring, but may continue all year round in warm climates. Black-tailed jackrabbits occupy mixed shrub-grassland terrains.

Reaching a length around 2 ft (61 cm), and a weight from 3 to 6 lb (1.4 to 2.7 kg), the black-tailed jackrabbit is one of the largest North American hares. The black-tailed jackrabbit ( Lepus californicus), also known as the American desert hare, is a common hare of the western United States and Mexico, where it is found at elevations from sea level up to 10,000 ft (3,000 m). Black-tailed jackrabbit sitting Juvenile black-tailed jackrabbit eating a carrot in the California Mojave Desert Weathered adult black-tailed jackrabbit eating An adolescent black-tailed jackrabbit in the Mojave Desert, California

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