Chilla (Lycalopex griseus) lives in south American grasslands across South America. It feeds on small mammals insects. Its conservation status is Least Concern.
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From 17° S in northern Chile down to 54° S at Tierra del Fuego, the gray fox spans a north-south stretch. It even crossed oceans when humans dropped it on the Falkland Islands in the late 1920s-early 1930s and later on Tierra del Fuego in 1951 to curb rabbit numbers. This wide, human-shaped range shows the species' adaptability to varied climates and its usefulness in pest control.
Breeding starts in early austral autumn, around March, and after a two-month gestation, females give birth to two to four kits in a den. In the Argentine Andes, studies show a similar pattern: mating from August through September, gestation of 53 to 60 days, and litters of two to six pups.
Where its range overlaps with the larger culpeo fox, the gray fox carves out a niche by eating more rodents and arthropods, while the culpeo targets bigger prey like the European hare. but the gray fox is often pushed out of the richest hunting grounds.
Weighing just 2.5 to 5.45 kg and stretching 65 to 110 cm from nose to tail tip, the South American gray fox. Its bushy tail adds another 20 to 43 cm. Such a tiny canid can hunt rodents, birds and insects across Patagonia's deserts and forests.
The gray fox's shoulder height drops from 40-45 cm as you move south from 33° S to 54° S, making it even more compact in the coldest parts of Patagonia. Its molars are well-developed but carnassials are short.
Sources
Every fact above was checked against these pages, and kept only where one of them states it.
In the arid landscapes of South America, the chilla, a sleek and agile canine, weaves a solitary path, its tawny coat blending seamlessly with the dusty terrain as it pads silently through the scrub. With an air of quiet confidence, it navigates the rocky outcrops and thorny thickets, its large ears twitching with every subtle sound, ever vigilant for the slightest hint of prey or potential threat. As it moves, its bushy tail streams behind, a counterbalance to its fluid, almost feline, movements, a testament to the chilla's remarkable adaptability in this harsh, yet beautiful, environment.
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