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A silver fox. The silver fox, sometimes referred to as the black fox, [1] or blue fox, [2] is a melanistic form of the red fox (Vulpes vulpes). Silver foxes display a great deal of pelt variation. Some are completely glossy black except for a white colouration on the tip of the tail, giving them a somewhat silvery appearance.
A fox's dentition, like all other canids, is I 3/3, C 1/1, PM 4/4, M 3/2 = 42. (Bat-eared foxes have six extra molars, totalling in 48 teeth.) Foxes have pronounced carnassial pairs, which is characteristic of a carnivore. These pairs consist of the upper premolar and the lower first molar, and work together to shear tough material like flesh.
The black flying fox or black fruit bat (Pteropus alecto) is a bat in the family Pteropodidae. It is among the largest bats in the world, but is considerably smaller than the largest species in its genus, Pteropus. The black flying fox is native to Australia, Papua New Guinea, and Indonesia. It is not a threatened species.
The red fox, Ruppell's fox, and Tibetan sand fox possess white-tipped tails. [23] The Arctic fox 's tail-tip is of the same color as the rest of the tail (white or blue-gray). [ 24 ] Blanford's fox usually possesses a black-tipped tail, but a small number of specimens (2% in Israel, 24% in the United Arab Emirates) possess a light-tipped tail ...
The gray fox (Urocyon cinereoargenteus), or grey fox, is an omnivorous mammal of the family Canidae, widespread throughout North America and Central America.This species and its only congener, the diminutive island fox (Urocyon littoralis) of the California Channel Islands, are the only living members of the genus Urocyon, which is considered to be genetically sister to all other living canids.
The dark mid-dorsal line, which is a distinctive characteristic of the Israeli specimens, is less noticeable in Oman specimens, although the black tail markings are similarly developed. [4] [8] Like other arid land foxes, the Blanford's fox characteristically large ear is an adaptation to enhance heat dissipation. [9]
The value of a cross fox pelt depended largely on the darkness of the coat, with pale coats commanding cheaper prices than darker ones. [3] Cross foxes were not considered as valuable as silver foxes, but were more expensive than red foxes, being worth 4–5 guineas per skin as opposed to the common red variety's 15 shillings. [8]
The fennec fox (Vulpes zerda) is a small fox native to the deserts of North Africa, ranging from Western Sahara and Mauritania to the Sinai Peninsula. Its most distinctive feature is its unusually large ears, which serve to dissipate heat and listen for underground prey.