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). Ovulation is induced by copulation. [22] Black grama (Bouteloua spp.

glandulosa) communities in New Mexico, the overall black-tailed jackrabbit diet was 47% shrubs, 22% grasses, and 31% forbs. [3] The females are larger than males, with no other significant differences. Ano ang pinakamaliit na kontinente sa mundo? How long will the footprints on the moon last? ),[13] and pinyon-juniper (Pinus-Juniperus spp.

Rabbits can jump vertically about 2 feet, but they can also leap 9 feet horizontally due to their robust back legs.

In the northern part of their range in Idaho, black-tailed jackrabbits breed from February through May. Cheatgrass (Bromus tectorum) use is variable: it comprises 45% of the April diet on two southern Idaho sites,[26] but black-tailed jackrabbit on an eastern Washington site do not use it. Additionally, the much more northerly Arctic hare and Alaskan hare are somewhat larger than the jackrabbit members of the hare genus.

Rabbits can make both a long and high jump, thanks to their powerful and longer hind legs that give them the thrust to leap forward and upwards. [8][19], The black-tailed jackrabbit can occupy a wide range of habitats as long as diversity in plant species exists. [8] Home range area varies with habitat and habitat quality. Their breeding depends on the location; it typically peaks in spring, but may co… are also used. [14] Home ranges of 0.4 to 1.2 mi2 (1–3 km2) have been reported in big sagebrush (Artemisia tridentata) and black greasewood (Sarcobatus vermiculatus) communities of northern Utah. Rep. INT-200.

Pagkakaiba ng pagsulat ng ulat at sulating pananaliksik?

For example, in California, black-tailed jackrabbits are plentiful in open chamise (Ademostoma fasciculatum) and Ceanothus spp.

The average litter size is around four, but may be as low as two and as high as seven in warm regions. However, black-tailed jackrabbits browse Douglas fir (Pseudotsuga menziesii), ponderosa pine (Pinus ponderosa), lodgepole pine (P. contorta), and western hemlock (Tsuga heterophylla) seedlings, and oak (Quercus spp.)

[32], Rattlesnakes (Crotalus spp.) Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station, Mares, M. A.; Hulse, A. C. (1977).

[17] Young are born fully furred with eyes open, and are mobile within minutes of birth. [18] The young stay together for at least a week after leaving the form. 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). Diurnal movement of 2 to 10 miles (3–16 km) occurs from shrub cover in day to open foraging areas at night.

In: Silvicultural approaches to animal damage management in Pacific Northwest forests.

Shrubs generally comprise the bulk of fall and winter diets, while grasses and forbs are used in spring and early summer.

[8] The breeding season is variable depending upon latitude and environmental factors. [13][14], In Great Basin, big sagebrush is a primary forage species and is used throughout the year; in southern Idaho it forms 16–21% of the

[7][8], In the Baja California Peninsula, there are six subspecies of L. californicus, three of which are endemic to the surrounding islands. [18][25] Jackrabbits require a plant's water weight to be at least five times its dry weight to meet daily water intake requirements. 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 the one of the largest North American hares.

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