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Fennec foxes are primarily nocturnal, displaying heightened activity during the cooler nighttime hours. [23] This behaviour helps them escape the extreme Saharan heat and reduces water loss through panting. [24] A fennec fox digs its den in sand, either in open areas or places sheltered by plants with stable sand dunes.
It is a means for comparison, not an indicator of absolute bite force. In short, if an animal or species has a high BFQ this indicates that it bites hard for its size after controlling for allometry. Hite et al., [ 3 ] who include data from the widest range of living mammals of any bite force regression to date, produce from their regression ...
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Canids vary in size, including tails, from the 2 meter (6 ft 7 in) wolf to the 46 cm (18 in) fennec fox. Population sizes range from the Falkland Islands wolf , extinct since 1876, to the domestic dog, which has a worldwide population of over 1 billion. [ 1 ]
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.
For example, the largest species, the red fox, weighs on average 4.1–8.7 kg [14] and the smallest species, the fennec fox, weighs only 0.7–1.6 kg. [15] They have long, dense fur, and a bushy, rounded tail that is at least half as long, or fully as long as, the head and body.
In the largest species, the red fox, males weigh between 4.1 and 8.7 kg (9.0 and 19.2 lb), [7] while the smallest species, the fennec fox, weighs just 0.7 to 1.6 kg (1 + 1 ⁄ 2 to 3 + 1 ⁄ 2 lb). [8] Fox features typically include a triangular face, pointed ears, an elongated rostrum, and a bushy tail.
The fennec fox's large ears help keep it cool: when the blood vessels dilate, blood from the body cycles in and dissipates over the expanded surface area. [1]A xerocole (from Greek xēros / ˈ z ɪ r oʊ s / 'dry' and Latin col(ere) 'to inhabit'), [2] [3] [4] is a general term referring to any animal that is adapted to live in a desert.