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Some species like the grey wolf are polymorphic with different individual having different coat colors. The arctic fox (Vulpes lagopus) and the stoat (Mustela erminea) have fur that changes from white and dense in the winter to brown and sparse in the summer.
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.
Ethiopian wolf skull: Despite its close relation to the grey wolf, convergent evolution has resulted in a skull similar in shape to that of jackals and the South American maned wolf. [20] Due to the high density of rodents in their new Afroalpine habitat, the ancestors of the Ethiopian wolf gradually developed into specialised rodent hunters.
They vary in size from the fennec fox, which may be as little as 24 cm (9.4 in) in length and weigh 0.6 kg (1.3 lb), [20] to the gray wolf, which may be up to 160 cm (63 in) long, and can weigh up to 79 kg (174 lb). [21] Only a few species are arboreal—the gray fox, the closely related island fox [22] and the raccoon dog habitually climb trees.
The wolf-like canids, (genus Canis, Cuon and Lycaon) including the dog (Canis lupus familiaris), gray wolf (Canis lupus), red wolf (Canis rufus), eastern wolf (Canis lycaon), coyote (Canis latrans), golden jackal (Canis aureus), Ethiopian wolf (Canis simensis), black-backed jackal (Canis mesomelas), side-striped jackal (Canis adustus), dhole ...
The South American gray fox (Lycalopex griseus), also known as the Patagonian fox, the chilla or zorro gris (gray fox or gray zorro), is a South American species of Lycalopex (the "false" or lesser foxes) in the Canidae family, which includes dogs, wolves, jackals, coyotes and foxes, among other canids.
Eastern wolf but refer Synonyms: Schreber, 1775 Two forms are known – a small, reddish-brown colored form called the Algonquin wolf; and a slightly larger, more grayish-brown form called the Great Lakes wolf, which is an admixture of the Algonquin wolf and other gray wolves. [66]
Between 2011 and 2015, two mtDNA studies found that the Himalayan wolf and Indian wolf were closer to the African wolf than they were to the Holarctic gray wolf. [ 36 ] [ 5 ] In 2017, a study of mitochondrial DNA , X-chromosome (maternal lineage) markers and Y-chromosome (male lineage) markers found that the Himalayan wolf is genetically basal ...