Interesting facts about crested porcupine by weird square
Channel: Animal Square
Date: 2018-03-05

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The crested porcupine  is a species of rodent in the family Hystricidae found in Italy, North Africa, and sub-Saharan Africa.
The more common name for this species is the crested porcupine. The adult crested porcupine has an average head and body length around 60 to 83 cm (24 to 33 in) long, discounting the tail, and weighs from 13 to 27 kg (29 to 60 lb).
Almost the entire body is covered with bristles which are either dark brown or black and rather coarse. This mammal is recognizable by the quills that run along the head, nape, and back that can be raised into a crest, hence the name crested porcupine. Also, some sturdier quills which are about 35 cm (14 in) in length run along the sides and back half of the body. These sturdier quills are used, for the most part, for defense and are usually marked with light and dark bands which alternate; these are not firmly attached. This porcupine has a shorter tail which has rattle quills at the end. The rattle quills broaden at the terminal end and the broad portion is hollow with thin walls. When these quills are vibrated, they produce a hiss-like rattle.
The front feet of the crested porcupine have four developed and clawed digits with a regressed thumb, the rear feet have five. The paws have naked and padded soles and have a plantigrade gait. The ears are external and both the eyes and ears are very small with long vibrissae on its head. The skull is specific in many ways; first, the infraorbital foramen is greatly enlarged so portions of the masseter extend through it and attach from the frontal side surface of the snout. Second, the angular process is inflected on the lower jaw, and third, the nasal cavity is enlarged. Prominent pockets create enlarged areas of attachment for chewing muscles. Collar bones are very much reduced, and one incisor, one premolar and three molars are present in each quadrant. The male's penis is directed caudally when not erect. Animal planet | Discovery | Netflix | Documentary | Animal World
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