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Injury in animals is damage to the body caused by wounding, change in pressure, heat or cold, chemical substances, venoms and biotoxins. Injury prompts an inflammatory response in many taxa of animals ; this prompts wound healing , which may be rapid, as in the Cnidaria .
There are two main hypotheses for its origin: the first suggests that it was a locally-domesticated guanaco and the second that it was a llama or alpaca introduced from the north. [4] The former hypothesis is supported by a mitochondrial DNA analysis of bones from Mocha Island .
Natural predators of the guanaco include pumas and the culpeo or Andean fox. [6] Fox predation was unknown until 2007 when predators began to be observed in the Karukinka Reserve in Tierra del Fuego. Scientists attribute this to the unfavourable climatic conditions on the island, which are causing food to become scarce, weakening the animals.
Llama crias are typically born with the whole herd gathering around (only the females are present, as the males are considered a threat) in an attempt to protect against potential predators. Llamas give birth standing, and the process is usually relatively quick and problem-free, over in less than 30 minutes.
A guard llama protecting a flock of sheep. A guard llama is a llama that is used in farming to protect sheep, goats, hens or other livestock from canids such as coyotes, dingos, dogs, foxes and other predators. [1] [2] In the past, a single gelded (castrated) male was recommended. In more recent years, it has been discovered that single, unbred ...
Vicuñas are relatives of the llama, and are now believed to be the wild ancestor of domesticated alpacas, which are raised for their coats. Vicuñas produce small amounts of extremely fine wool, which is very expensive because the animal can only be shorn every three years and has to be caught from the wild. When knitted together, the product ...
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The llama and alpaca are only known in the domestic state, and are variable in size and color, being often white, black, or piebald. The wild guanaco and vicuña are of a nearly uniform light-brown color, passing into white below. The vicuña and guanaco share an obvious family resemblance and may be difficult to tell apart at a distance.