7 EV, Nikkor 200-400mm VR with 1. Video documentation of a black-tailed jackrabbit (Lepus californicus) consuming Mojave milkweed (Aclepias nyctaginifolia) containing phytochemicals in the Ivanpah Valley, Mojave Desert, California, USA. Jackrabbits have a set of adaptations that suit them to. Eva’s Desert Mouse. California Jackrabbit. They prefer open desert areas, but they cannot tolerate extreme dry conditions endured by the antelope jackrabbit. It is similar to species like the black-tailed jackrabbit and white-sided jackrabbit. The physical and behavioral adaptations does the Black-tailed Jackrabbit have that help it survive in the chaparral biome is: Feet and fur. Given below is a list of Mojave Desert animals which has some of the most popular species found in the desert, enlisted in it. Ask a question. Hares are born. Baby jackrabbits can run immediately after being born. It has distinctive long ears tipped with black. 2-2. Jackrabbits live in open areas with little cover and rely on excellent hearing, exceptional speed. In the summer they eat mostly green plants and flowers that are high in water content, so they do not require much water. Narrow-gauge Mule. Despite their name, jackrabbits are hares. heat-dispersal abilities and adaptations to a hot, arid environment. It is about 18-24 inches long and weighs four to eight pounds. What physical and behavioral adaptations does the black-tailed jackrabbit have that help it survive in the cha… Get the answers you need, now! asfah839 asfah839 21. Jackrabbits have a set of adaptations that suit them to arid and semiarid environments: a spartan diet with little water, camouflage, eyes on the sides of their. A veterinary laboratory confirmed the presence of Rabbit Hemorrhagic Disease virus type 2 in a wild black-tailed jackrabbit that was among 10 jackrabbits found dead on a property near Palm Springs. 5. Black-tailed jackrabbits (which are actually hares, not rabbits) can grow up to 2 feet long and reach speeds of up to 40 mph. Its ears and the top of the tail are tipped in black. Large ears help to regulate body temperature by releasing excess heat, which is especially important in the hot, open. Habitat. About two inches smaller and two pounds lighter, it is. The antelope jackrabbit (Lepus alleni) was one of the last large mammals described from North America (Mearns, 1890) and this species remains one of the least-studied hares. 2018; Brown et al. The brownish black-tailed jackrabbit is smaller than the antelope jack, at about 8 pounds (3. The black-tailed jackrabbit, also known as the American desert hare, is a common hare found in the western United States and Mexico. Their fall and winter diet consist of dried grasses, buds, twigs, roots, bark, and fruits. called it a “jackass rabbit” because its enormous ears look like those of a donkey. A 1958 study in California estimated that jackrabbit populations can run as high as 400 animals per square mile,. The black-tailed gazelle or the goitered gazelle (Gazella subgutturosa) is an animal living in the Gobi Desert and is also found in parts of Azerbaijan, Georgia, Iraq, Iran, Pakistan, Afghanistan, and Turkey. 2 cm). Like antelopes, these hares also show flashes, as they run, of their white underside. B lossom. Jackrabbits are relatively large, but their size varies from species to species. 4x TC at 280mm, natural light, not baited. also lists the black-tailed jackrabbit as Sensitive (Bureau of Land Management 2008). Jackrabbits can run as fast as 40 mph in short bursts in order to escape predators. On upland sites. The urbanization of environments is a major land use change across the globe that is expected to continue. Black-Tailed Jackrabbits are some of the largest North American hares, reaching up to 2 feet tall. Size: LARGEST hare. The average adult reaches a length of 2 feet and weighs between 3 and 6 pounds. This is a great way to learn about slot strategy. Although the animal proved well adapted to arid surroundings, these authors noted that L. Hares and rabbits have short bushy tails, long hind legs and long ears. Seven species of rabbits are found in California and three of these species—the black-tailed hare or jackrabbit, Lepus californicus, the desert cottontail, Sylvilagus audubonii, and the brush rabbit, S. November to April in the northern portion of its range, jackrabbits are entirely white. the jackrabbit can shed all excess body heat through its ears. Researchers in Mexico estimate that the white-sided jackrabbit will lose some. Those circannual traits include seasonal migration, hibernation and coat colour moults, and their occurrence and optimal phenology is critical. After mating, the female, or doe, will have a litter of 1-6 leverets every 3-4 months. Like the iconic arctic fox, the snowshoe hare dons white fur for the winter—a good camouflage in the snow. S. The black-tailed jackrabbit is the third largest hare in North America, after the antelope jackrabbit and white-tailed jackrabbit. 45 to 0. 2001, Bartel et al. The white-tailed jackrabbit is 18-22 inches long and. The ears along with the tail are tipped with black fur. What adaptations do black tailed jackrabbits have? Jackrabbits have a set of adaptations that suit them to arid and semiarid environments: a spartan diet with little water, camouflage, eyes on the sides of their heads, furry feet, agile flight and enormous ears. They are native species of deserts and scrublands. Members of the order Lagomorpha (hares, rabbits and pikas) vary in cursorial ability; hares are generally highly cursorial, rabbits more frequently saltate, and. 5 to 10. Black-tailed jackrabbit; The desert cottontail is found throughout the Sonoran Desert, especially in thick, brushy habitat with plenty of hiding places. Jackrabbits extract any water they need from the vegetation they consume. Sometimes in the desert, even these items can be hard to find. , much taller. Why did the black-tailed hare develop the following characteristics: big ears to regulate body temperature; long legs help to escape from predators; fur on the soles of the feet protects from hot, hard surfaces; digest food twice to get the maximum amount of water and nutrients?There is a paucity of information about jackrabbits in the Mojave Desert, with no real understanding of home ranges, habitat preferences, and population dynamics or demographics in this region. These adaptations are a direct result of evolution. . The black-tailed jack rabbit is another member of the chaparral biome. Although the animal proved well adapted to arid surroundings, these authors noted that L. 1 in (10. 2019), is capable of inhabiting many types of habitat, including grazing by. Black-tailed jackrabbit; The desert cottontail is found. The dorsal fur is agouti (dark buff peppered with black), and the undersides and the insides of its legs are creamy white. It has. The black-tailed jackrabbit, Lepus californicus, is widely distributed across México and the United States (Flinders and Chapman 2003; Beever et al. The black-tailed jackrabbit is an important prey species for raptors and carnivorous mammals, such as eagles, hawks, owls, coyotes, foxes, and wild cats. The relative tarsus length ranged from −1. White-tailed Jackrabbit (Lepus. Figure 8. The Black-tailed Jackrabbit spends most of its day resting in a burrow in the ground. The Black-Tailed Jackrabbit lives in hot desert areas in the Western U. it allows them to retain more fat from food. 1 pt. The Black-Tailed Jack Rabbit lives in the western United States and northern Mexico. The tail has a black stripe that runs along the top onto the rump (hence the name) and is 2" to 4 1/2" long. Hares and rabbits ( Leporidae) together form a group of lagomorphs that includes about 50 species of hares, jackrabbits, cottontails and rabbits. The Black-tailed Jackrabbit is commonly seen on pasture and waste land during the day, though it is mostly nocturnal. 7 kg), the black-tailed jackrabbit is the. Models suggest that standing variation across these genes and populations may allow for rapid adaptation to reduced snow cover and browner coats in this species. Its fur is a dark buff color that is peppered with black. Using its keen senses of hearing and sight and its speed. It is similar to species like the black-tailed jackrabbit and white-sided jackrabbit. This jackrabbit has an adult length of 56 to 65 cm (22 to 26 in), including a tail measuring 6. 02. The black-tailed jackrabbit is actually not a rabbit at all—it is a hare. An excellent example of such adaptation could be seen in the jackrabbit living in desert environments. Black-tailed Jackrabbits are herbivores, eating plants such as sagebrush, young trees, and even cacti. A black-tailed. They can run and hop shortly after birth. The cottontail does not fear the jackrabbit, in fact the jackrabbit is very skittish and will retreat from a confrontation in most instances. This jackrabbit lived in the Paria Canyon of southern Utah, but the species is abundant in the Great Basin, Colorado Plateau and Great Plains from shrub-grasslands up into pinon-juniper woodlands, though rarely into conifer forests with closed canopies. The range of the white-tailed jackrabbit overlaps that of the black-tailed jackrabbit, but the white-tailed jackrabbit prefers lowland plains and prairies, while the black-tailed jackrabbit lives at higher altitudes. 5 Strange Facts about Squirrels. regulating body heat c. The black-tailed jackrabbit has long ears with black tips and very long front and rear legs. Generally, physical characteristics are adaptations to the environment the animals lives in and large ears help the rabbit not get too hot while it's running from the predators: it can also run fast, so those two adaptations help the rabbit survive by escape the predators. Other Names Desert Hare Size. White-tailed jackrabbits are more numerous in the northern parts of their range, and aggregations of more than 100 have been reported. Specific Recommendations Black-tailed Jackrabbits need large expanses of grassland with open vistas. jackrabbit adaptations for survival. Despite being called a rabbit, this long-eared animal is actually a hare! What’s the difference? Although hares and rabbits look similar, with small tails, big ears, and oversized hind. (B) Representative winter coat color variation [Photo credit: IV. The black-tailed jackrabbit has long ears with black tips and very long front and rear legs. The black-tailed jackrabbits (Lepus californicus) most identifying feature is its huge ears. large ears, approximately one third of its body. When temperatures start to rise, jackrabbits can regulate the flow of blood through their ears by dilating their blood vessels. Box 2 Hypotheses underlying latitudinal gradients in bill length and body sizeThe chuckwalla is a large, desert-dwelling lizard in the iguana family, Iguanidae. Animalia: information (1) Animalia: pictures (22861) Animalia: specimens (7109) Animalia: sounds (722). The Black-tailed Jack Rabbit is a medium sized hare with exceptionally long ears and hind legs. 6 in (45. It has a grayish brown body, large black-tipped ears, and a black streak on the top of its tail (Figure 1). The largest species of jackrabbit is the white-tailed jackrabbit. 7 kg), making it one of. The black-tailed jackrabbits (Lepus californicus) most identifying feature is its huge ears. antelope jackrabbit. (Mike Koshmrl/WyoFile) CHEYENNE—Take a wintertime walk around the nine-hole golf course ringing the Little America Hotel and Resort and a springy hare or 12 are bound to bounce. This species and its only congener, the diminutive island fox (Urocyon littoralis) of the California Channel Islands, are the only living members of the genus Urocyon, which is considered to be. The black-tailed jackrabbit is somewhat smaller, weighing only 3 to 7 pounds. also lists the black-tailed jackrabbit as Sensitive (Bureau of Land Management 2008). Hares and jackrabbits are mammals belonging to the genus Lepus. Cheatgrass encroachment following wildfires will likely further. The scientists found three genes responsible for the colour. Jackrabbits are prey animals, with often-bulging amber eyes that can scan nearly 360. what are small yellow plums called; beistle cascade centerpiece; how many 3 letter combinations are there; inspiration tree rework; fresenius kidney care phone numberThe white-tailed jackrabbit is not as well represented in the literature as is the blacktailed jackrabbit, largely owing to the lack of long-term studies such as those devoted to black-tailed jackrabbits in northern Utah (Gross et al. Discover the physical and behavioral adaptations that allow rabbits to succeed in their ecosystems. We know first-hand some of the characteristics that make mammals unique, like having hair, being able to sweat, and. Adaptations. The ears are black-tipped on the outer surfaces and unpigmented inside. Those ears have delicate, blood vessel-filled skin. The animal's feet prevent it from sinking into the snow when it hops. Bergmann's and Allen's rules apply to many animals, not just humans. 7 kg), the black-tailed jackrabbit is one of. They sleep away the hottest part of. Rabbits are altricial,. It lives on river bars, in meadows, barren areas, and sand dunes. The throat, ventral surface and tail are white. Distribution in CA: UNCOMMON to RARE on the crest and upper eastern slopes of the. They have many adaptations that allow them to live in the harsh, dry heat of this biome. For example, black-tailed jackrabbits and cape hares are desert species and dig burrows to escape high temperatues, whereas artic hares dig burrows in the snow to escape the bitter cold. Ears are 6–7 inches in length. Compare the images of a black-tailed jackrabbit (Lepus californicus) and a snowshoe hare (Lepus americanus) and answer the questions below. 5-58. 6 to 10. a. The white-tailed jackrabbit is a large species of hare and is the largest species called "jackrabbit". The snowshoe (or varying hare) is known as the snowshoe rabbit. To do so means adaptations that allow them to beat the heat. In addition, humans have historically affected their populations by poisoning, shooting and trapping rabbits when they are observed near cropland. GENERAL DISTRIBUTION : Black-tailed jackrabbit is the most widely distributed jackrabbit (Lepus spp. 1-13 cm) in size. Some animals, like the Black-tailed jackrabbit, develop extra large ears that help them to regulate their body temperature. Certainly a useful adaptation for hot desert days! While the black-tailed jackrabbit does indeed have a black tail, the other part of its name is a misnomer. Desert tortoise. This taxon is regarded by. Organisms that live in the chaparral have developed unique adaptations that aid in their survival. Hair, unique to this group of life, is generally light in color on desert dwellers. californicus) from 2009 to 2020. spiritual and self-help publications and currently freelances as a copy editor and English adaptation writer of translated Japanese manga books and light novels. His cousin the antelope jack rabbit (Lepus alleni) prefers to live in the. Its fur is buff-colored to blend in with the arid environment. I was walking my dogs along a snow-covered dirt road, bundled up since the temperature was in the teens. A black-tailed jackrabbit is a hare found in the south and western parts of the United States as well as in Mexico. Six weeks later, 1 or 2 baby jacks. The black-tailed jackrabbit is an herbivore. Class Mammalia (“breast”): Bats, cats, whales, horses, humans . 8 in) in length, brown above and white below. Most are fast runners with long, powerful hind legs, and large. Lagomorphs have two upper incisors on each side, while rodents have only one. I’ve never seen this in Idaho, and have rarely seen more than one or two in a hike. It has a gray-ish brown body, large black-tipped ears, and a black streak on the top of its tail (Figure 1). Final answer. Many mammals, like jackrabbits, live all across America. A bird's leg temperature may increase 15 F (9. Both eat just about anything vegetable: grasses, herbs, cactus pads, leaves from. Birthplace of American Coursing* With their new, fleet-footed greyhounds in hand, settlers soon discovered the sport of coursing, in which greyhounds chased a live rabbit in an enclosed field. After their food have been. These have long leg and ears also exhibit fur on their body. They have fur on the bottoms of their feet, to keep them from being burned by the hot sand. Maricopa harvester ant. And the white-tailed version, which can weigh up to six. They become active at dusk and throughout the night. Lepus americanus. Black-tailed Jackrabbit (Lepus californicus): Known for. These adaptations are critical for the jackrabbit's survival in a grassland environment. What physical and behavioral adaptations does the Black-tailed Jackrabbit have that help it survive in the chaparral biome? (Site 1) B I U S XD m x, x²Look for the jackrabbit in mountains, foothills and valleys in Northern Utah, but primarily in open areas of the higher mountains in Southern Utah. Alternatively, negative allometric scaling in the musculoskeletal 456 system may occur as seen in goats (Main & Biewener 2004) and jackrabbits (Carrier 1983). Also called California jackrabbit. Water conservation: These animals survive under scarcity of water in desert or chaparral biome by water retaining adaptation. The design of their big ears is one of the jackrabbits' most amazing desert adaptations. They have a black stripe at the downward area of the back. Desert pocket mouse Perognathus penicillatus Mesquite Flat. During the hot parts of the day the jackrabbit sleeps in a scratch at the base of a shrub or in a tall stand of grass. 1. This may result in a reduction. 0These adaptations are as varied as the deserts themselves, encompassing ingenious methods of water conservation in the arid Atacama, nocturnal lifestyles in the Sahara to avoid the relentless heat, and unique dietary strategies in the food-scarce landscapes of the Australian deserts. 18 in the Sandhills, 1. The antelope jackrabbit has a white belly, light grey sides, a back peppered with black, and orange coloration on the neck and chest. The large ears of this hare help it to lose heat and thereby cooling its body temperature. The black-tailed jackrabbit is not. This allows them to extract all of the nutrition possible from their food. Snowshoe Hare. The black-tailed jackrabbit has large ears and long legs that help release heat. The hares host many ectoparasites including fleas, ticks, lice, and mites; for this reason, hunters often avoid collecting them. As a result, only 923 individuals are currently in today's world. Fossil evidence of this species was found dating back to the early Holocene, which indicated that it was more prevalent than the similar species of black-tailed jackrabbits that have also been known to exist at that time. Description: The white-tailed jackrabbit used to be common on the prairies and grasslands of northwest Missouri. Added 5/19/2022 1:51:33 AMIn 2015, the surveys found 6. Jackrabbits are not actually rabbits but they are hares. A black-tailed jackrabbit. 7 kg), the black-tailed jackrabbit is one of. a. Welcome to another edition of our Creature Feature series, where we explore fascinating adaptations found in nature. Bat-eared Fox | image by Gregory Smith via Flickr | CC BY-SA 2. Fossil evidence of this species was found dating back to the early Holocene, which indicated that it was more prevalent than the similar species of black-tailed jackrabbits that have also been known to exist at that time (Wilson 1999). Eventually the hare rested on its back haunches in a completely relaxed pose, the only thing the jackrabbit was. 57. To evade becoming a meal, jackrabbits have some incredible predator-avoidance adaptations, including their light-brown coloration for camouflage, big eyes and large ears for. Its body length ranges from 52 to 58 cm (22 in) long and its tail can be 5 to 10 cm (3 in) long. 5. Black-tailed jackrabbits are most commonly found on arid range and agricultural lands in the West and often congregate near preferred food sources. The black jackrabbit is quite rare and is endemic to Mexico. Black-tailed jackrabbits produce about 10 to 12 young annually, giving birth to multiple litters during a three-month breeding season. His cousin the antelope jack rabbit (Lepus alleni) prefers to live in the. The Black-tailed Jackrabbit is a member of the hare family. To determine if niche separation may be. But as the climate warms, the hares are increasingly ditching their winter wardrobes and keeping the brown fur they sport during the rest of the year. The black tailed jack rabbit is a desert animal commonly seen in the sagebrush and pinon communities. Jackrabbits also sport powerful rear legs, which they use to reach speeds of up to 40mph. The white-tailed jackrabbit is a large species of hare and is the largest species called "jackrabbit". Adaptation to flooded soils includes aerenchyma formation to transport oxygen to the roots. Black-tailed jackrabbits (Lepus californicus) are among the most commonly seen of desert mammals. The large ears of this hare help it to lose heat and thereby cooling its body temperature. Water conservation: These animals survive under scarcity of water in desert or chaparral biome by water retaining adaptation. Before Bay Nature she worked in journalism for more than a decade as a former newspaper reporter. They feed on cactus, sagebrush, mesquite, grasses, and crop plants. These nocturnal hares are indiscriminate herbivores, eating any plant life they can reach. White-tailed jackrabbits have long antenna-like ears that are colored gray on the anterior half of the outside, white on the opposing half, and a dark black patch extending to the tip. The black-tailed jackrabbit is the most common jackrabbit in the western U. Status of the black-tailed jackrabbit in the U. as a white paste c. Brush rabbit. The black-tailed jackrabbit is an herbivore. With yellowish to grey/brown fur. California Leaf-Nosed BatThe black-tailed jackrabbit grows to reach around 24 inches (60 cm) in length and weighs between 1 and 2 pounds as an adult, depending on the species (0. Study with Quizlet and memorize flashcards containing terms like Compare asexual versus sexual reproduction. These mammals rely on speed, camouflage, and ‘freezing’ when they are spotted when avoiding predators (mainly coyotes and foxes). Filter results by. The kit fox preys on small mammals like the black-tailed hares, kangaroo rats, squirrels and also prey on small birds as well as lizards. Class Mammalia (“breast”): Bats, cats, whales, horses, humans . Status of the black-tailed jackrabbit in the U. The skin of the ears is thin and containing numerous blood vessels. 6 kg). With habitat degradation, black-tailed jackrabbits have expanded, while the range of white-tailed jackrabbits has contracted. It has distinctive long ears tipped with black. Hare. The eastern cottontail is 14 to 17 inches in length and weighs between 2 and 4 pounds. black-tailed jackrabbit. Jackrabbits are an amazing. One of Iowa’s fastest animals, jackrabbits can run up to 35 miles per hour while covering up to 15 feet in a single bound! Don’t call me rabbit. Mammal. Jackrabbits breed throughout the year. ” One authority states they have been clocked at nearly 37 miles per hour, and at top speed are capable of covering as much as almost 10 at a bound. They usually have taller hind legs and longer ears. The Black-tailed Jackrabbit: A Desert-dwelling Hare. They are most active in the late afternoon, preferring to spend the day resting in a form, a shallow depression the size of. As they are true hares, black-tailed jackrabbits are lankier and leaner than rabbits, have longer ears and legs, and the leverets are born fully-furred and open-eyed. It has peppery brown fur and a black stripe that runs down its back. ) with longer legs and ears. A black-tailed jackrabbit can grow up to 24 inches (61 cm) in length, weigh as much as 8 lbs. It is totally white in the winter and dark brown in. West of the Cascade Range, the dorsal hairs of this rabbit have gray blending to dark-brown or blackish base followed by a narrow band of buff and a black. 6 kilograms for four non-pregnant females (Foresman 2012b). The jackrabbit's large ears hold dozens of small blood vessels which expand when the animal is hot, allowing more quantities of blood to flow through the ears and be exposed to the external environment, cooling the blood as it moves. A leopard has thick ears that help it lose heat, large eyes that look high in the air and toward the side, and a slightly flat head that allows it to see 360 degrees. Discover how they hop and run so fast, their specialized eyes and. The head is a mix of tan and black. The ears along with the tail are tipped with black fur. and ASIP between white-tailed jackrabbits and (C) black-tailed jackrabbits or (D. 0 in), and a weight between 2. D ice, L. 8. g. Reaching a length around 2 ft (61 cm), and a weight from 3 to 6 lb (1. CLIMATE ADAPTATION The evolution of white-tailed jackrabbit camouflage in response to past and future seasonal climates Mafalda S. only in the morning, Organisms that live in. Each of their tails has a black stripe that runs from the top to the rump that measures between 2 inches and 4 and a half inches long. Size: LARGE. Larger females. These animals are also known for being able to run and leap quickly. 10. Adaptation and Soil Black walnut has adapted statewide and grows best on deep, fertile, well-drained, bottomland soils. g. Their color and shape vary by species, but generally they are tan, grey, silver, brown, or black. The ears along with the tail are tipped with black fur. Adaptations. I. See moreHow? Well, those big ears are full of blood vessels. Compare the images of a black-tailed jackrabbit (Lepus californicus) and a snowshoe hare (Lepus americanus) and answer the questions below. Size: Black-tailed jackrabbits are large weighing 3-6 pounds and around 2 feet long. Thurman 3,. The antelope jackrabbit. It is similar to species like the black-tailed jackrabbit and white-sided jackrabbit. Males. Jackrabbit Size and Coloring. It is similar to species like the black-tailed jackrabbit and white-sided jackrabbit. The black-tailed jackrabbits (Lepus californicus) most identifying feature is its huge ears. Long-tailed pocket mouse Perognathus formosus mohavensis Grapevine Mountains. The antelope jackrabbit has a white belly, light grey sides, a back peppered with black, and orange coloration on the neck and chest. Black-tailed jackrabbit in Texas, cooling off in the shade on a hot summer's day. 1974, Stoddart et al. Black-tailed jackrabbits measure 47-63 cm from nose to rump, the tail is between 50-112 mm and the ears are 10-13 cm long. 4 to 2. The dominant Lepus in North America's intermountain region prior to the Holocene, the grassland-adapted white-tailed jackrabbit Lepus townsendii (), began giving way to the black-tailed jackrabbit Lepus californicus with the onset of warming temperatures and changing vegetation between 2,000 and 8,000 y ago (Grayson 1977; Schimitt et al. It has long slender front legs and large hind feet that can be 5 inches in length. The jackrabbit species consists of various types, including the black-tailedTwo of these species are black-tailed jackrabbits and white-tailed jackrabbits. Scientific name: Otocyon. 56 in rufous hummingbirds Selasphorus rufus (where the tarsus is one of the shortest bones in the body), through −0. Studies of mammalian ecology in southwestern North America with special attention to the colors of desert mammals. Table A. The jackrabbit is a common name for two hare species that are native to North and Central America: the black-tailed jackrabbit (Lepus californicus). Weegy. Refer to Table A. Habitat How? Well, those big ears are full of blood vessels. Highly cursorial animals are specialised for fast, sustained running via specific morphological adaptations, notably including changes in limb segment length and mechanical advantage. They also have a second set of incisors. 0 kilograms; and 2. The black jackrabbit (Lepus insularis) is a species of mammal in the family Leporidae. It occupies an elevational range from sea level to >2,500 m (8200 ft. Black-tailed jackrabbits measure 47-63 cm from nose to rump, the tail is between 50-112 mm and the ears are 10-13 cm long. Their fur is generally a dark brown or gray salt-and-pepper color, with a signature black stripe across the back and onto the tail. It has long slender front legs and large hind feet that can be 5 inches in length. From its physiology to its behavior, the jackrabbit has evolved to thrive in harsh conditions. Appearance: The Jack rabbits look like your normal rabbits except for their remarkably big earsBy Laio. Which of these students followed those directions? a.