Friday, February 14, 2014

Black Backed jackel








Black Backed jackal
Black Backed jackal is a scavenger with large ears . They follow lions and eat the food that lions leave. They also known as the silver-backed or red jackal.


Evolution

Fossil jackals discovered in the Transvaal cave are roughly the same size as their descendents, though their nasal bones differ in size. Although numerous fossils dating back to two million years ago have been found in Kenya, Tanzania, and South Africa.


Behavior

During the mating season, they become increasingly more vocal and territorial, with dominant animals preventing same-sex subordinates from mating through constant harassment. In southern Africa, mating occurs from late May to August, with a 60-day gestation period. Pups are born from July to October. Summer births are thought to be timed to coincide with population peaks of vlei rats and four-striped grass mice, while winter births are timed for ungulate calving seasons.Litters usually consist of three to six pups. For the first three weeks of their lives, the pups are kept under constant surveillance by their mother, while the father and elder offspring provide food. They typically leave the den after three weeks, and become independent at six to eight months.

Subspecies

  • Golden jackal - 



side - striped jackal

Diet

 They will also feed on mammals, such as rodentshares and youngantelopes up to the size of topi calves. They will also feed on carrion, lizards, and snakes. A pair of black-backed jackals in the Kalahari desert was observed to kill and devour a kori bustard and, on a separate occasion, a black mamba via prolonged harassment of the snake and crushing of the snake's head. Black-backed jackals will occasionally feed on fruits and berries.In coastal areas, they will feed on beached marine mammalssealsfish and mussels.



prey and enemies

prey


enemies


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