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The thermal conductivity of Arctic fox fur in the summer and winter is the same; however, the thermal conductance of the Arctic fox in the winter is lower than the summer since fur thickness increases by 140%. In the summer, the thermal conductance of the Arctic foxes body is 114% higher than the winter, but their body core temperature is ...
Bite force quotient (BFQ) is a numerical value commonly used to represent the bite force of an animal adjusted for its body mass, while also taking factors like the allometry effects.
Fox species differ in fur color, length, and density. Coat colors range from pearly white to black-and-white to black flecked with white or grey on the underside. Fennec foxes (and other species of fox adapted to life in the desert, such as kit foxes), for example, have large ears and short fur to aid in keeping the body cool.
The adult weight ranges from 130–200 g (4.6–7.1 oz). [ 5 ] [ 18 ] A. a. polaris is marginally larger than the nominate subspecies. [ 9 ] [ 18 ] In breeding plumage , the head, neck, back, and wings are black, with a white trailing edge to the secondary feathers, and white fringes on the scapular feathers, and pure white underparts.
Textile with white fox (Daniel Kohavi, 2016) Arctic fox pelt. Arctic fox fur is a type of fur obtained from the arctic fox (also known as the polar fox) and turned into a commodity. The arctic fox is zoologically divided into two color varieties, the white fox and the blue fox, whose fur is also a commodity as blue fox fur. The white fox, the ...
The kit fox is a socially monogamous species, [17] and the mated pair remains together throughout the year. [3] However, polygamous mating relationships have been observed. [ 14 ] Female foxes begin searching for natal dens in September and October and usually usable dens are visited and cleaned of debris before the final selection is made.
Nest predation by the Arctic fox, pomarine jaeger, snowy owl, and common raven pose the greatest threat to Steller’s eider's nesting success rate. [4] Studies have shown that Steller’s eider reproduce most successfully when lemmings are abundant, most likely resulting from predators transitioning between prey during years of lemming decline ...
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.