Scientific name: Hydrochoerus hydrochaeris. English names: Capybara. Spanish and local names: Chigüire, Chigüiro, Carpincho, Capibara. Learn more about the Capybara – with amazing Capybara videos, photos and facts on Arkive. Abstract. We examined the histology of testes of capybaras (Hydrochoerus hydrochaeris) and the relationship among mass of testes, body mass, and the ratio.

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Marshall Cavendish, New York.

Capybara habitat The capybara inhabits a variety of lowland habitats close to water, ranging from rivers and lakes in rainforest, to marshes, brackish wetlands, swamps, and seasonally flooded grassland and savanna 2 3 4 5.

They often hide in the water, with just their nostrils and eyes exposed, and can stay completely submerged for up to five minutes. Capybaras are considered a good meal in some countries like Venezuela while in others they are considered not eatable.

They eat a greater variety of plants during the hydrocheris season, as fewer plants are available.

Capybara meat is especially popular during Lent, the hydrochxeris period prior to Easter, because it is approved by the Catholic church as an alternative to beef or pork. The Animal Diversity Web is an educational resource written largely by and for college students.

Each of the forefeet has four toes, while the hindfeet have only three, and each toe bears a strong, hoof-like claw 2 4 5. Because of their large body size, capybaras are susceptible to heat stress.

Acute phase protein response in the capybara (Hydrochoerus hydrochaeris).

Johns Hopkins University Press. In Japan, following the lead of Izu Shaboten Park in[42] multiple establishments in Japan that raise capybaras have adopted the practice of having them relax in onsen during the winter. Brazilian guinea pig Cavia aperea. International Wildlife EncyclopediaVol.

Capybaras have a high reproductive rate, which is their greatest advantage against their main threats, which are hunting and habitat loss. The capybara reaches sexual maturity at around 12 to 18 months, and may live for up to 10 years in the wild, or to 12 years in captivity 3 4. Referring to something living or located adjacent to a waterbody usually, but not always, a river or stream.


The capybara is extensively hunted for its meat and hide, as well as for a grease from its thick, fatty skin, which is used in the pharmaceutical trade 4 5 9. Capybaras make their home next to rivers, marshes, lakes and bodies of water throughout the tropical lowlands of South America. In addition to using scent, the capybara also communicates through a variety of vocalisations, including growls, whinnies, alarm barks, whistles, and a constant guttural purr emitted by the infant 2 3 4.

Young capybaras can be predated by ocelots, eagles, jaguars, caimans and anacondas, while adult Capybaras only have the latter three as predators. Mammals portal Animals portal Biology portal South America portal. Capybaras sometimes raid gardens or farms in search of food, such as melons, squashes, or grains. Burmese python Python bivittatus. Extant species of family Caviidae Cavies. Among males, there is a strict dominance hierarchy enforced by chasing and, rarely, fights.

Hydochoerus hydrochaeris

Please donate to Arkive Hhydrochaeris us share the wonders of the natural world. Although the diet comprises mainly grass, it also includes aquatic vegetation, such a water hyacinths, as well as other plants, grain, and sometimes fruits 2 3 4. It is the largest living rodent in the world. Like its relative the guinea pig, the capybara does not have the capacity to synthesize vitamin Cand capybaras not supplemented with vitamin C in hydrochweris have been reported to develop gum disease as a sign of scurvy.

To help absorb more proteins and vitamins from their food, Capybaras hydrocheris autocoprofagous, which means they eat their own poop; something that gives them the extra gut flora they need for a better digestion. Molecular Biology and Evolution.

Testis of Capybaras (Hydrochoerus hydrochaeris) | Journal of Mammalogy | Oxford Academic

Journal of Wildlife Diseases. Second Edition, Revised and Expanded.


The capybara Hydrochoerus hydrochaeris is a mammal native to South America. Feeding associations between capybaras and birds in the Lami Biological Reserve. They can be found in many areas in zoos and parks[22] and may live for 12 years in captivity.

Classification Kingdom Animalia animals Animalia: Hydrochoerus hydrochaeris English names: From Wikipedia, the free encyclopedia. Biological Conservation While grazing, they are constantly on the lookout for predators and give an alarm bark when one is spotted. False-positive occupancy models produce less-biased occupancy estimates for a rare and elusive bat species. The species is normally active morning and evening, resting during the heat of the day, but has apparently become nocturnal in areas where it is persecuted by humans 2 4.

Scent is also important, especially in mating and establishing dominance.

We hydrochaerls the histology of testes of capybaras Hydrochoerus hydrochaeris and the relationship among mass of testes, body mass, and the ratio of seminiferous tubules to interstitial tissue.

She was being kept by a group of Christian girls that had kept her on the 5th story of a building in the town of Caranavi. In many parts of South America capybaras are the hudrochoerus large grazing hydrodhaeris and can have a dramatic effect on the vegetation in an area. Hydrochoerus hydrochaeris is a strictly South American rodent species. View conservation assessment on this species.

The ADW Team gratefully acknowledges their support. It has also been hypothesized that they are carriers of certain livestock diseases. To avoid this they wallow in water and in mud, which is always available to them since they are semiaquatic and live only next to bodies of water.