Crab-eating fox

Cerdocyon thous

The crab-eating fox , also known as the forest fox, wood fox, and the common fox, is an extant species of medium-sized canid endemic to the central part of South America, and which appeared during the Pliocene epoch. ''Cerdocyon'' comes from the Greek words ''kerdo'' and ''cyon'' referring to the dog- and fox-like characteristics of this animal.
Zorro - then he was gone On Los Llanos Cerdocyon thous,Crab-eating fox,Hato La Aurora,Los Llanos

Appearance

The crab-eating fox is predominantly greyish-brown, with areas of red on the face and legs, and black-tipped ears and tail. It has short, strong legs and its tail is long and bushy. It may reach an adult weight of 10 to 17 pounds . The head and body length averages 64.3 centimetres , and the average tail length is 28.5 centimetres . This fox weighs between 5 to 8 kilograms . It is mainly nocturnal and also is active at dusk, spending its day in dens that were dug by other animals. It either hunts individually or lives in pairs; it eats crabs, lizards and different flying animals. It is easy to domesticate and farm, but its fur is not so highly valued as that of other species.

The coat is short and thick. Coloration varies from grey to brown, to yellowish, to pale, to dark grey. There is a black streak along the back legs, with a black stripe along the spine. On muzzle, ears and paws there is more-reddish fur. The tail, legs and ear tips are black. The ears are wide and round. The torso is somewhat narrow; legs are short but strong. The dense hairy tail stays upright when they are excited.
Zorro comfortable in his own skin Looking for cats, found a striking dog Cerdocyon thous,Crab-eating fox,Hato La Aurora,Los Llanos

Naming

The crab-eating fox has five recognized subspecies, differing in sizes and coloring of fur .
⤷  ''C. t. thous'', Venezuela, Guyana, Surinam, French Guiana North Brasil.
⤷  ''C. t. azarae'', North Brazil.
⤷  ''C. t. entrerianus'', Brazil, Bolivia.Uruguay, Paraguay and Argentina.
⤷  ''C. t. aquilus'', north Venezuela and Colombia.
⤷  ''C. t. germanus'', Bogotá region .
Zorro on Los Llanos Very excited to see the "Zorro" Cerdocyon thous,Crab-eating fox,Hato La Aurora,Los Llanos

Status

The Convention on International Trade in Endangered Species of Wild Fauna and Flora lists the fox as not threatened by extinction — Appendix II . The IUCN lists the crab-eating fox as being of "Least Concern".
Crab-eating Fox (Cerdocyon thous) Taken in July 2015, at the São Paulo Zoo, in Brazil. Known as Cachorro-do-mato, in Portuguese. Brazil,Canidae,Cerdocyon,Cerdocyon thous,Crab-eating fox,Geotagged,South America,Winter,fox,mammals

Behavior

The crab-eating fox creates monogamic teams for hunting; groups of several monogamic pairs may form during the reproductive season. The population distribution is as follows: some explorers show one individual distribution for 4 km2. Berta shows one had changed from 0,6 to 0,9 km2 for one individual. Territorialism was noticed during the dry season; during rainy seasons, when there is more food, they pay less attention to territory . Hideouts and dens often are found in bushes and in thick grass, and there are typically multiple entrance holes per den. Despite being capable of tunnelling, they prefer to take over other animals' burrows. Hunting methods are adapted to type of prey. Several characteristic sounds are made by the crab-eating fox such as barking, whirring and howling, which occur often when pairs lose contact with one another.

Habitat

The crab-eating fox is a canid that ranges in savannas; woodlands; subtropical forests; prickly, shrubby thickets; and tropical savannas such as the ''caatinga'', plains, and ''campo'', from Colombia and southern Venezuela in the north to Paraguay, Uruguay and northern Argentina at the southernmost reaches of its range. The crab-eating fox has also been sighted in Panama since the 1990s.

Its habitat also includes wooded riverbanks such as riparian forest. In the rainy season, their range moves uphill, whilst in drier times they move to lower ground . Their habitat covers all environments except rainforests, high mountains, and open grassy savannas. In some regions of their range, they are threatened with extirpation.

Reproduction

The adult female gives birth to one or two litters per year, and the breeding pair is monogamous. The pair ranges the plains together. As a tropical animal, reproduction is not fixed to certain times of year, and takes place twice yearly. The reproductive period most often begins in November or December, and again in July. The birth of offspring follows after a 56-day gestation, typically in January, February or sometimes March , then in September to October.

Food

The crab-eating fox searches for crabs on muddy floodplains during the wet season, giving this animal its common name. It is an opportunist and an omnivore, preferring insects or meat from rodents and birds when available. Other foods readily consumed include turtle eggs, tortoises, fruit, eggs, crustaceans, insects, lizards and carrion. Their diet is varied and has been found to differ by different researchers, suggesting opportunistic feeding and geographical variation. During the wet season, the diet contains more crabs and other crustaceans, while during the dry season it contains more insects . The crab-eating fox contributes to the control of rodents and harmful insects.

Predators

This fox is occasionally hunted, but the pelt is not valuable. They do not pose a danger to livestock. The crab-eating fox is not currently a species of concern for conservation; however, its habitat is slowly shrinking due to human activity such as agriculture, as well as feral dogs' encroachment on its territory, though the population is still stable. Despite the low value of their pelts, these canids are sometimes killed by locals, even though there has been no unambiguous proof that they attack farm animals. They are easy to domesticate, and often bred by local people. This does not, however, remove the threats to their population. The species is not protected at present.

Evolution

''Cerdocyon thous'', ''C. avius'' and other species of the genus ''Cerdocyon'' underwent radiational evolution on the South American continent. All close relatives of the crab-eating fox are extinct. It is the only living representative at present of the genus ''Cerdocyon''. Genetically, there are 74 diploid chromosomes .

References:

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Status: Least concern | Trend: Stable
EX EW CR EN VU NT LC
Taxonomy
KingdomAnimalia
DivisionChordata
ClassMammalia
OrderCarnivora
FamilyCanidae
GenusCerdocyon
SpeciesC. thous
Photographed in
Brazil
Colombia