Young jackrabbits are born fully furred and with their eyes open. Within a day they can move about quite rapidly. The food habits of jackrabbits are highly variable, depending on location and the availability of appropriate plants. In some areas rabbits eat leaves, bark, or seeds of woody shrubs. Feeding usually begins during the evening hours and continues throughout the night into the early morning.
Jackrabbits can survive without a supply of drinking water.
If food and other necessary resources are found in one place, jackrabbits exhibit no major daily movements. If food sources and areas for shelter are separated, jackrabbits will move between these areas in the morning and evening. Daily travels of 1 to 2 miles between areas are common. During dry periods, roundtrips of up to 10 miles have been observed. These travels are habitually made on the same trails every day, producing noticeable paths through the herbaceous vegetation.