Digging a rabbit.

Rabbits, also known as bunnies or bunny rabbits, are small mammals in the family Leporidae (which also contains the hares) of the order Lagomorpha (which also contains the pikas). Oryctolagus cuniculus includes the European rabbit species and its descendants, the world's 305 breeds[1] of domestic rabbit. Sylvilagus includes 13 wild rabbit species, among them the seven types of cottontail. The European rabbit, which has been introduced on every continent except Antarctica, is familiar throughout the world as a wild prey animal and as a domesticated form of livestock and pet. With its widespread effect on ecologies and cultures, the rabbit is, in many areas of the world, a part of daily life—as food, clothing, a companion, and a source of artistic inspiration.

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Rabbit

Temporal range: Late Eocene–Holocene, 53–0 Ma 

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European rabbit (Oryctolagus cuniculus)Scientific classificationKingdom:AnimaliaPhylum:ChordataClass:MammaliaOrder:LagomorphaFamily:LeporidaeIncluded genera

Pentalagus

Bunolagus

Nesolagus

Romerolagus

Brachylagus

Sylvilagus

Oryctolagus

Poelagus

Although once considered rodents, lagomorphs like rabbits have been discovered to have diverged separately and earlier than their rodent cousins and have a number of traits rodents lack, like two extra incisors.

Contents

Terminology and etymology

A male rabbit is called a buck; a female is called a doe. An older term for an adult rabbit used until the 18th century is coney (derived ultimately from the Latin cuniculus), while rabbit once referred only to the young animals.[2] Another term for a young rabbit is bunny, though this term is often applied informally (particularly by children) to rabbits generally, especially domestic ones. More recently, the term kit or kitten has been used to refer to a young rabbit.

A group of rabbits is known as a colony or nest (or, occasionally, a warren, though this more commonly refers to where the rabbits live).[3] A group of baby rabbits produced from a single mating is referred to as a litter[4] and a group of domestic rabbits living together is sometimes called a herd.[5]

The word rabbit itself derives from the Middle English rabet, a borrowing from the Walloon robète, which was a diminutive of the French or Middle Dutch robbe.[6]

Taxonomy

See also: List of leporids

Rabbits and hares were formerly classified in the order Rodentia (rodent) until 1912, when they were moved into a new order, Lagomorpha (which also includes pikas). Below are some of the genera and species of the rabbit.



Brachylagus idahoensis

Pygmy rabbit

 



Nesolagus netscheri

Sumatran Striped Rabbit

(Model)

 



Oryctolagus cuniculus

European rabbit

(Feral Tasmanian specimen)

 



Pentalagus furnessi

Amami rabbit

(Taxidermy specimen)

 



Romerolagus diazi

Volcano rabbit

(Taxidermy specimen)

 



Sylvilagus aquaticus

Swamp rabbit

(Juvenile)

 



Sylvilagus audubonii

Desert cottontail

 



Sylvilagus bachmani

Brush rabbit

 



Sylvilagus brasiliensis

Tapeti

(Taxidermy specimen)

 



Sylvilagus floridanus

Eastern cottontail

Order Lagomorpha

Family Leporidae (in part)

Genus Brachylagus

Pygmy rabbit, Brachylagus idahoensis

Genus Bunolagus

Bushman rabbit, Bunolagus monticularis

Genus Lepus[a]

Genus Nesolagus

Sumatran striped rabbit, Nesolagus netscheri

Annamite striped rabbit, Nesolagus timminsi

Genus Oryctolagus

European rabbit, Oryctolagus cuniculus

Genus Pentalagus

Amami rabbit/Ryūkyū rabbit, Pentalagus furnessi

Genus Poelagus

Central African Rabbit, Poelagus marjorita

Genus Romerolagus

Volcano rabbit, Romerolagus diazi

Genus Sylvilagus

Swamp rabbit, Sylvilagus aquaticus

Desert cottontail, Sylvilagus audubonii

Brush rabbit, Sylvilagus bachmani

Forest rabbit, Sylvilagus brasiliensis

Mexican cottontail, Sylvilagus cunicularis

Dice's cottontail, Sylvilagus dicei

Eastern cottontail, Sylvilagus floridanus

Tres Marias rabbit, Sylvilagus graysoni

Omilteme cottontail, Sylvilagus insonus

San Jose brush rabbit, Sylvilagus mansuetus

Mountain cottontail, Sylvilagus nuttallii

Marsh rabbit, Sylvilagus palustris

New England cottontail, Sylvilagus transitionalis



Hare

Johann Daniel Meyer (1748)



Rabbit

Johann Daniel Meyer (1748)

Differences from hares

Main article: Hare

The term "rabbit" is typically used for all Leporidae species excluding the genus Lepus. Members of that genus are instead known as hares or jackrabbits.

Lepus species are typically precocial, born relatively mature and mobile with hair and good vision, while rabbit species are altricial, born hairless and blind, and requiring closer care. Hares live a relatively solitary life in a simple nest above the ground, while most rabbits live in social groups in burrows or warrens. Hares are generally larger than rabbits, with ears that are more elongated, and with hind legs that are larger and longer. Descendants of the European rabbit are commonly bred as livestock and kept as pets, whereas no hares have been domesticated - the breed called the Belgian hare is actually a domestic rabbit which has been selectively bred to resemble a hare.

Domestication

Main article: Domestic rabbit

Rabbits have long been domesticated. Beginning in the Middle Ages, the European rabbit has been widely kept as livestock, starting in ancient Rome. Selective breeding has generated a wide variety of rabbit breeds, of which many (since the early 19th century) are also kept as pets. Some strains of rabbit have been bred specifically as research subjects.

As livestock, rabbits are bred for their meat and fur. The earliest breeds were important sources of meat, and so became larger than wild rabbits, but domestic rabbits in modern times range in size from dwarf to giant. Rabbit fur, prized for its softness, can be found in a broad range of coat colors and patterns, as well as lengths. The Angora rabbit breed, for example, was developed for its long, silky fur, which is often hand-spun into yarn. Other domestic rabbit breeds have been developed primarily for the commercial fur trade, including the Rex, which has a short plush coat.

Biology

Evolution



Development of the rabbit heart

(wax models)

Because the rabbit's epiglottis is engaged over the soft palate except when swallowing, the rabbit is an obligate nasal breather. Rabbits have two sets of incisor teeth, one behind the other. This way they can be distinguished from rodents, with which they are often confused.[7] Carl Linnaeus originally grouped rabbits and rodents under the class Glires; later, they were separated as the scientific consensus is that many of their similarities were a result of convergent evolution. Recent DNA analysis and the discovery of a common ancestor has supported the view that they share a common lineage, so rabbits and rodents are now often grouped together in the superorder Glires.[8]

Morphology



Skeleton of the rabbit

Since speed and agility are a rabbit's main defenses against predators (including the swift fox), rabbits have large hind leg bones and well developed musculature. Though plantigrade at rest, rabbits are on their toes while running, assuming a more digitigrade posture. Rabbits use their strong claws for digging and (along with their teeth) for defense.[9] Each front foot has four toes plus a dewclaw. Each hind foot has four toes (but no dewclaw).[10]



Melanistic coloring

Oryctologus cuniculus

European rabbit (wild)

Most wild rabbits (especially compared to hares) have relatively full, egg-shaped bodies. The soft coat of the wild rabbit is agouti in coloration (or, rarely, melanistic), which aids in camouflage. The tail of the rabbit (with the exception of the cottontail species) is dark on top and white below. Cottontails have white on the top of their tails.[11]

As a result of the position of the eyes in its skull, the rabbit has a field of vision that encompasses nearly 360 degrees, with just a small blind spot at the bridge of the nose.[12]

Hind limb elements



This image comes from a specimen in the Pacific Lutheran University natural history collection. It displays all of the skeletal articulations of rabbit's hind limbs.

The anatomy of rabbits' hind limbs are structurally similar to that of other land mammals and contribute to their specialized form of locomotion. The bones of the hind limbs consist of long bones (the femur, tibia, fibula, and phalanges) as well as short bones (the tarsals). These bones are created through endochondral ossification during development. Like most land mammals, the round head of the femur articulates with the acetabulum of the os coxae. The femur articulates with the tibia, but not the fibula, which is fused to the tibia. The tibia and fibula articulate with the tarsals of the pes, commonly called the foot. The hind limbs of the rabbit are longer than the front limbs. This allows them to produce their hopping form of locomotion. Longer hind limbs are more capable of producing faster speeds. Hares, which have longer legs than cottontail rabbits, are able to move considerably faster.[13] Rabbits stay just on their toes when moving; this is called Digitigrade locomotion. The hind feet have four long toes that allow for this and are webbed to prevent them from spreading when hopping.[14] Rabbits do not have paw pads on their feet like most other animals that use digitigrade locomotion. Instead, they have coarse compressed hair that offers protection.[15]

Musculature



The rabbits hind limb (lateral view) includes muscles involved in the quadriceps and hamstrings.

Rabbits have muscled hind legs that allow for maximum force, maneuverability, and acceleration that is divided into three main parts; foot, thigh, and leg. The hind limbs of a rabbit are an exaggerated feature. They are much longer than the forelimbs, providing more force. Rabbits run on their toes to gain the optimal stride during locomotion. The force put out by the hind limbs is contributed to both the structural anatomy of the fusion tibia and fibula, and muscular features.[16] Bone formation and removal, from a cellular standpoint, is directly correlated to hind limb muscles. Action pressure from muscles creates force that is then distributed through the skeletal structures. Rabbits that generate less force, putting less stress on bones are more prone to osteoporosis due to bone rarefaction.[17] In rabbits, the more fibers in a muscle, the more resistant to fatigue. For example, hares have a greater resistance to fatigue than cottontails. The muscles of rabbit's hind limbs can be classified into four main categories: hamstrings, quadriceps, dorsiflexors, or plantar flexors. The quadriceps muscles are in charge of force production when jumping. Complementing these muscles are the hamstrings, which aid in short bursts of action. These muscles play off of one another in the same way as the plantar flexors and dorsiflexors, contributing to the generation and actions associated with force.[18]

Ears



A Holland Lop resting with one ear up and one ear down. Some rabbits can adjust their ears to hear distant sounds.

Within the order lagomorphs, the ears are utilized to detect and avoid predators. In the family Leporidae, the ears are typically longer than they are wide. For example, in black tailed jack rabbits, their long ears cover a greater surface area relative to their body size that allow them to detect predators from far away. Contrasted to cotton tailed rabbits, their ears are smaller and shorter, requiring predators to be closer to detect them before they can flee. Evolution has favored rabbits having shorter ears so the larger surface area does not cause them to lose heat in more temperate regions. The opposite can be seen in rabbits that live in hotter climates, mainly because they possess longer ears that have a larger surface area that help with dispersion of heat as well as the theory that sound does not travel well in more arid air, opposed to cooler air. Therefore, longer ears are meant to aid the organism in detecting predators sooner rather than later in warmer temperatures.[19][page needed] The rabbit is characterized by its shorter ears while hares are characterized by their longer ears.[20][page needed] Rabbits' ears are an important structure to aid thermoregulation and detect predators due to how the outer, middle, and inner ear muscles coordinate with one another. The ear muscles also aid in maintaining balance and movement when fleeing predators.[21]



Anatomy of mammalian ear

Outer ear

The auricle, also known as the pinna, is a rabbit's outer ear.[22] The rabbit's pinnae represent a fair part of the body surface area. It is theorized that the ears aid in dispersion of heat at temperatures above 30 °C with rabbits in warmer climates having longer pinnae due to this. Another theory is that the ears function as shock absorbers that could aid and stabilize rabbit's vision when fleeing predators, but this has typically only been seen in hares.[23][page needed] The rest of the outer ear has bent canals that lead to the eardrum or tympanic membrane.[24]

Middle ear

The middle ear is filled with three bones called ossicles and is separated by the outer eardrum in the back of the rabbit's skull. The three ossicles are called hammer, anvil, and stirrup and act to decrease sound before it hits the inner ear. In general, the ossicles act as a barrier to the inner ear for sound energy.[24]

Inner ear

Inner ear fluid called endolymph receives the sound energy. After receiving the energy, later within the inner ear there are two parts: the cochlea that utilizes sound waves from the ossicles and the vestibular apparatus that manages the rabbit's position in regards to movement. Within the cochlea there is a basilar membrane that contains sensory hair structures utilized to send nerve signals to the brain so it can recognize different sound frequencies. Within the vestibular apparatus the rabbit possesses three semicircular canals to help detect angular motion.[24]

Thermoregulation

Thermoregulation is the process that an organism utilizes to maintain an optimal body temperature independent of external conditions.[25] This process is carried out by the pinnae, which takes up most of the rabbit's body surface and contain a vascular network and arteriovenous shunts.[26] In a rabbit, the optimal body temperature is around 38.5–40℃.[27] If their body temperature exceeds or does not meet this optimal temperature, the rabbit must return to homeostasis. Homeostasis of body temperature is maintained by the use of their large, highly vascularized ears that are able to change the amount of blood flow that passes through the ears.



Rabbits use their large vascularized ears, which aid in thermoregulation, to keep their body temperature at an optimal level.

Constriction and dilation of blood vessels in the ears are used to control the core body temperature of a rabbit. If the core temperature exceeds its optimal temperature greatly, blood flow is constricted to limit the amount of blood going through the vessels. With this constriction, there is only a limited amount of blood that is passing through the ears where ambient heat would be able to heat the blood that is flowing through the ears and therefore, increasing the body temperature. Constriction is also used when the ambient temperature is much lower than that of the rabbit's core body temperature. When the ears are constricted it again limits blood flow through the ears to conserve the optimal body temperature of the rabbit. If the ambient temperature is either 15 degrees above or below the optimal body temperature, the blood vessels will dilate. With the blood vessels being enlarged, the blood is able to pass through the large surface area, causing it to either heat or cool down.

During hot summers, the rabbit has the capability to stretch its pinnae, which allows for greater surface area and increase heat dissipation. In cold winters, the rabbit does the opposite and folds its ears in order to decrease its surface area to the ambient air, which would decrease their body temperature.



Ventral view of dissected rabbit lungs with key structures labeled.

The jackrabbit has the largest ears within the Oryctolagus cuniculus group. Their ears contribute to 17% of their total body surface area. Their large pinna were evolved to maintain homeostasis while in the extreme temperatures of the desert.

Respiratory system

The rabbit's nasal cavity lies dorsal to the oral cavity, and the two compartments are separated by the hard and soft palate.[28] The nasal cavity itself is separated into a left and right side by a cartilage barrier, and it is covered in fine hairs that trap dust before it can enter the respiratory tract.[28][29][page needed] As the rabbit breathes, air flows in through the nostrils along the alar folds. From there, the air moves into the nasal cavity, also known as the nasopharynx, down through the trachea, through the larynx, and into the lungs.[29][page needed][30] The larynx functions as the rabbit's voice box, which enables it to produce a wide variety of sounds.[29][page needed] The trachea is a long tube embedded with cartilaginous rings that prevent the tube from collapsing as air moves in and out of the lungs. The trachea then splits into a left and right bronchus, which meet the lungs at a structure called the hilum. From there, the bronchi split into progressively more narrow and numerous branches. The bronchi branch into bronchioles, into respiratory bronchioles, and ultimately terminate at the alveolar ducts. The branching that is typically found in rabbit lungs is a clear example of monopodial branching, in which smaller branches divide out laterally from a larger central branch.[31]

The structure of the rabbit's nasal and oral cavities, necessitates breathing through the nose. This is due to the fact that the epiglottis is fixed to the backmost portion of the soft palate.[30] Within the oral cavity, a layer of tissue sits over the opening of the glottis, which blocks airflow from the oral cavity to the trachea.[28] The epiglottis functions to prevent the rabbit from aspirating on its food. Further, the presence of a soft and hard palate allow the rabbit to breathe through its nose while it feeds.[29][page needed]



Monopodial branching as seen in dissected rabbit lungs.

Rabbits lungs are divided into four lobes: the cranial, middle, caudal, and accessory lobes. The right lung is made up of all four lobes, while the left lung only has two: the cranial and caudal lobes.[31] In order to provide space for the heart, the left cranial lobe of the lungs is significantly smaller than that of the right.[28] The diaphragm is a muscular structure that lies caudal to the lungs and contracts to facilitate respiration.[28][30]

Digestion

Rabbits are herbivores that feed by grazing on grass and other leafy plants. In consequence, their diet contains large amounts of cellulose, which is hard to digest. Rabbits solve this problem via a form of hindgut fermentation. They pass two distinct types of feces: hard droppings and soft black viscous pellets, the latter of which are known as caecotrophs or "night droppings" [32] and are immediately eaten (a behaviour known as coprophagy). Rabbits reingest their own droppings (rather than chewing the cud as do cows and numerous other herbivores) to digest their food further and extract sufficient nutrients.[33]

Rabbits graze heavily and rapidly for roughly the first half-hour of a grazing period (usually in the late afternoon), followed by about half an hour of more selective feeding.[citation needed] In this time, the rabbit will also excrete many hard fecal pellets, being waste pellets that will not be reingested.[citation needed] If the environment is relatively non-threatening, the rabbit will remain outdoors for many hours, grazing at intervals.[citation needed] While out of the burrow, the rabbit will occasionally reingest its soft, partially digested pellets; this is rarely observed, since the pellets are reingested as they are produced.[citation needed]

0:54

Video of a wild European rabbit with ears twitching and a jump

Hard pellets are made up of hay-like fragments of plant cuticle and stalk, being the final waste product after redigestion of soft pellets. These are only released outside the burrow and are not reingested. Soft pellets are usually produced several hours after grazing, after the hard pellets have all been excreted.[citation needed] They are made up of micro-organisms and undigested plant cell walls.[citation needed]

Rabbits are hindgut digesters. This means that most of their digestion takes place in their large intestine and cecum. In rabbits, the cecum is about 10 times bigger than the stomach and it along with the large intestine makes up roughly 40% of the rabbit's digestive tract.[34] The unique musculature of the cecum allows the intestinal tract of the rabbit to separate fibrous material from more digestible material; the fibrous material is passed as feces, while the more nutritious material is encased in a mucous lining as a cecotrope. Cecotropes, sometimes called "night feces", are high in minerals, vitamins and proteins that are necessary to the rabbit's health. Rabbits eat these to meet their nutritional requirements; the mucous coating allows the nutrients to pass through the acidic stomach for digestion in the intestines. This process allows rabbits to extract the necessary nutrients from their food.[35]

The chewed plant material collects in the large cecum, a secondary chamber between the large and small intestine containing large quantities of symbiotic bacteria that help with the digestion of cellulose and also produce certain B vitamins. The pellets are about 56% bacteria by dry weight, largely accounting for the pellets being 24.4% protein on average. The soft feces form here and contain up to five times the vitamins of hard feces. After being excreted, they are eaten whole by the rabbit and redigested in a special part of the stomach. The pellets remain intact for up to six hours in the stomach; the bacteria within continue to digest the plant carbohydrates. This double-digestion process enables rabbits to use nutrients that they may have missed during the first passage through the gut, as well as the nutrients formed by the microbial activity and thus ensures that maximum nutrition is derived from the food they eat.[11] This process serves the same purpose in the rabbit as rumination does in cattle and sheep.[36]



Dissected image of the male rabbit reproductive system with key structures labeled.

Because rabbits cannot vomit,[37] if buildup occurs within the intestines (due often to a diet with insufficient fibre),[38] intestinal blockage can occur.[39]

Reproduction



Diagram of the male rabbit reproductive system with main components labeled.

The adult male reproductive system forms the same as most mammals with the seminiferous tubular compartment containing the Sertoli cells and an adluminal compartment that contains the Leydig cells.[40] The Leydig cells produce testosterone, which maintains libido[40] and creates secondary sex characteristics such as the genital tubercle and penis. The Sertoli cells triggers the production of Anti-Müllerian duct hormone, which absorbs the Müllerian duct. In an adult male rabbit, the sheath of the penis is cylinder-like and can be extruded as early as two months of age.[41] The scrotal sacs lay lateral to the penis and contain epididymal fat pads which protect the testes. Between 10 and 14 weeks, the testes descend and are able to retract into the pelvic cavity in order to thermoregulate.[41] Furthermore, the secondary sex characteristics, such as the testes, are complex and secrete many compounds. These compounds includes fructose, citric acid, minerals, and a uniquely high amount of catalase.[40]



Diagram of the female rabbit reproductive system with main components labeled.

The adult female reproductive tract is bipartite, which prevents an embryo from translocating between uteri.[42] The two uterine horns communicate to two cervixes and forms one vaginal canal. Along with being bipartite, the female rabbit does not go through an estrus cycle, which causes mating induced ovulation.[41]

The average female rabbit becomes sexually mature at three to eight months of age and can conceive at any time of the year for the duration of her life. Egg and sperm production can begin to decline after three years.[40] During mating, the male rabbit will mount the female rabbit from behind and insert his penis into the female and make rapid pelvic hip thrusts. The encounter lasts only 20–40 seconds and after, the male will throw himself backwards off the female.[43]

The rabbit gestation period is short and ranges from 28 to 36 days with an average period of 31 days. A longer gestation period will generally yield a smaller litter while shorter gestation periods will give birth to a larger litter. The size of a single litter can range from four to 12 kits allowing a female to deliver up to 60 new kits a year. After birth, the female can become pregnant again as early as the next day.[41]

The mortality rates of embryos are high in rabbits and can be due to infection, trauma, poor nutrition and environmental stress so a high fertility rate is necessary to counter this.[41]

Sleep

Further information: Sleep (non-human)

Rabbits may appear to be crepuscular, but their natural inclination is toward nocturnal activity.[44] In 2011, the average sleep time of a rabbit in captivity was calculated at 8.4 hours per day.[45] As with other prey animals, rabbits often sleep with their eyes open, so that sudden movements will awaken the rabbit to respond to potential danger.[46]

Diseases and immunity

For a more comprehensive list, see Category:Rabbit diseases.

In addition to being at risk of disease from common pathogens such as Bordetella bronchiseptica and Escherichia coli, rabbits can contract the virulent, species-specific viruses RHD ("rabbit hemorrhagic disease", a form of calicivirus)[47] or myxomatosis. Among the parasites that infect rabbits are tapeworms (such as Taenia serialis), external parasites (including fleas and mites), coccidia species, and Toxoplasma gondii.[48][49] Domesticated rabbits with a diet lacking in high fiber sources, such as hay and grass, are susceptible to potentially lethal gastrointestinal stasis.[50] Rabbits and hares are almost never found to be infected with rabies and have not been known to transmit rabies to humans.[51]

Encephalitozoon cuniculi, an obligate intracellular parasite is also capable of infecting many mammals including rabbits.

Rabbit immunity has significantly diverged from other tetrapods in the manner it employs immunoglobulin light chains.[52][53] In one case McCartney-Francis et al., 1984 discover a unique additional disulfide bond between Cys 80 in Vκ and Cys 171 in Cκ.[52][53] They suggest that this may serve to stabilise rabbit antibodies.[52][53] Meanwhile IGKC1 shows high amino acid divergence between domesticated types and ferals derived from them.[53] This can be as high as 40%.[53]

Rabbit hemorrhagic disease is caused by strains of rabbit hemorrhagic disease virus (RHDV) including type 2 (RHDV2).[54] RHDV2 was detected for the first time in Washington state, USA in May 2022 and then in August once in Washington and twice in Oregon.[55]

Ecology



Rabbit kits one hour after birth

Rabbits are prey animals and are therefore constantly aware of their surroundings. For instance, in Mediterranean Europe, rabbits are the main prey of red foxes, badgers, and Iberian lynxes.[56] If confronted by a potential threat, a rabbit may freeze and observe then warn others in the warren with powerful thumps on the ground. Rabbits have a remarkably wide field of vision, and a good deal of it is devoted to overhead scanning.[57] The doe (mother) is aware that she gives off scent which can attract predators, so she will stay away from the nest to avoid putting the kits (babies) in danger, returning the nest only a few times a day to feed the kits.[58]

Rabbits survive predation by burrowing, hopping away in a zig-zag motion, and, if captured, delivering powerful kicks with their hind legs. Their strong teeth allow them to eat and to bite in order to escape a struggle.[59] The longest-lived rabbit on record, a domesticated European rabbit living in Tasmania, died at age 18.[60] The lifespan of wild rabbits is much shorter; the average longevity of an eastern cottontail, for instance, is less than one year.[61]

Habitat and range

Rabbit habitats include meadows, woods, forests, grasslands, deserts and wetlands.[62] Rabbits live in groups, and the best known species, the European rabbit, lives in burrows, or rabbit holes. A group of burrows is called a warren.[62]

More than half the world's rabbit population resides in North America.[62] They are also native to southwestern Europe, Southeast Asia, Sumatra, some islands of Japan, and in parts of Africa and South America. They are not naturally found in most of Eurasia, where a number of species of hares are present. Rabbits first entered South America relatively recently, as part of the Great American Interchange. Much of the continent has just one species of rabbit, the tapeti, while most of South America's southern cone is without rabbits.

The European rabbit has been introduced to many places around the world.[11]



Domestic rabbit photographed at Alligator Bay, Beauvoir, France.

Rabbits have been launched into space orbit.[63]

Environmental problems

See also: Rabbits in Australia



Impact of rabbit-proof fence, Cobar, New South Wales, 1905

Rabbits have been a source of environmental problems when introduced into the wild by humans. As a result of their appetites, and the rate at which they breed, feral rabbit depredation can be problematic for agriculture. Gassing (fumigation of warrens),[64] barriers (fences), shooting, snaring, and ferreting have been used to control rabbit populations, but the most effective measures are diseases such as myxomatosis (myxo or mixi, colloquially) and calicivirus. In Europe, where rabbits are farmed on a large scale, they are protected against myxomatosis and calicivirus with a genetically modified virus. The virus was developed in Spain, and is beneficial to rabbit farmers. If it were to make its way into wild populations in areas such as Australia, it could create a population boom, as those diseases are the most serious threats to rabbit survival. Rabbits in Australia and New Zealand are considered to be such a pest that land owners are legally obliged to control them.[65][66]

As food and clothing

Main article: Cuniculture

See also: Category:Rabbit dishes



Saint Jerome in the Desert
[Note rabbit being chased by a domesticated hound]
Taddeo Crivelli (Italian, died about 1479)



Rabbit being prepared in the kitchen
Simulation of daily life, mid-15th century
Hospices de Beaune, France

In some areas, wild rabbits and hares are hunted for their meat, a lean source of high quality protein.[67] In the wild, such hunting is accomplished with the aid of trained falcons, ferrets, or dogs, as well as with snares or other traps, and rifles. A caught rabbit may be dispatched with a sharp blow to the back of its head, a practice from which the term rabbit punch is derived.

Wild leporids comprise a small portion of global rabbit-meat consumption. Domesticated descendants of the European rabbit (Oryctolagus cuniculus) that are bred and kept as livestock (a practice called cuniculture) account for the estimated 200 million tons of rabbit meat produced annually.[68] Approximately 1.2 billion rabbits are slaughtered each year for meat worldwide.[69] In 1994, the countries with the highest consumption per capita of rabbit meat were Malta with 8.89 kg (19 lb 10 oz), Italy with 5.71 kg (12 lb 9 oz), and Cyprus with 4.37 kg (9 lb 10 oz), falling to 0.03 kg (1 oz) in Japan. The figure for the United States was 0.14 kg (5 oz) per capita. The largest producers of rabbit meat in 1994 were China, Russia, Italy, France, and Spain.[70] Rabbit meat was once a common commodity in Sydney, Australia, but declined after the myxomatosis virus was intentionally introduced to control the exploding population of feral rabbits in the area.

In the United Kingdom, fresh rabbit is sold in butcher shops and markets, and some supermarkets sell frozen rabbit meat. At farmers markets there, including the famous Borough Market in London, rabbit carcasses are sometimes displayed hanging, unbutchered (in the traditional style), next to braces of pheasant or other small game. Rabbit meat is a feature of Moroccan cuisine, where it is cooked in a tajine with "raisins and grilled almonds added a few minutes before serving".[71] In China, rabbit meat is particularly popular in Sichuan cuisine, with its stewed rabbit, spicy diced rabbit, BBQ-style rabbit, and even spicy rabbit heads, which have been compared to spicy duck neck.[68] Rabbit meat is comparatively unpopular elsewhere in the Asia-Pacific.

An extremely rare infection associated with rabbits-as-food is tularemia (also known as rabbit fever), which may be contracted from an infected rabbit.[72] Hunters are at higher risk for tularemia because of the potential for inhaling the bacteria during the skinning process.

In addition to their meat, rabbits are used for their wool, fur, and pelts, as well as their nitrogen-rich manure and their high-protein milk.[73] Production industries have developed domesticated rabbit breeds (such as the well-known Angora rabbit) to efficiently fill these needs.

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