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Guanaco

life science Maturity 5-7 Next article →

The guanaco is a large wild animal from South America.

Lama Guanicoe
Lama Guanicoe

It is a member of the camelid family. This means it is a close relative of the llama. Guanacos are one of two wild camelids on the continent. The other is the vicuña, which lives even higher up. These animals are some of the biggest land mammals in South America. They can weigh up to 140 kilograms. Their color is usually light brown or dark cinnamon. They also have white shading underneath their bodies.

Herd of guanacos
Herd of guanacos

Guanacos have a very special way of eating and breathing. They are herbivores, so they eat grasses, shrubs, and even cacti. They swallow their food with very little chewing. First, the food goes into a forestomach to be digested. Later, they use a process called rumination to finish it. To live in high mountains, they have special blood. Their blood is full of red blood cells. A single teaspoon has about 68 million cells. This is four times as many as a human has. This helps them breathe where oxygen is low.

Penguins and Guanaco
Penguins and Guanaco

Scientists have studied these animals for a long time. In 2001, researchers used molecular analysis to study their history. This study confirmed that guanacos are the ancestors of domestic llamas. Long ago, the Mapuche people on Mocha Island domesticated them. They created a type called the chilihueque. These animals helped pull ploughs and provided wool. However, they disappeared in the 17th century. They were replaced by sheep and other animals from the Old World.

Lama Guanicoe
Lama Guanicoe

Guanacos live in many different places across South America. They inhabit the steppes, scrublands, and high mountains. You can find them in Peru, Bolivia, and Chile. They are very common in the Patagonia regions of Argentina. Some even live in the dry Atacama Desert. In the desert, they find water from fog oases. They eat lichens and cactus flowers that soak up the fog. As of 2016, there were about 1.5 to 2 million guanacos. Most of these live in Argentina.

Herd of guanacos
Herd of guanacos

Living in a herd helps guanacos stay safe. A group usually has one male and several females. The young guanacos are called chulengos. Chulengos can walk almost immediately after they are born. When a predator like a puma comes near, the male warns the group. He makes a high-pitched sound that sounds like a sharp laugh. To protect the babies, they can form a shield circle. This helps them defend against foxes. Guanacos are also very fast and can run at 55 kilometers per hour.

Penguins and Guanaco
Penguins and Guanaco
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🖼️ Images & Media (4)
File:Lama guanicoe 02 MWNH 820.jpg
Lama guanicoe 02 MWNH 820.jpg
File:Lama Guanicoe.jpg
Lama Guanicoe.jpg
File:Penguins and Guanaco.jpg
Penguins and Guanaco.jpg
File:Herd of guanacos.jpg
Herd of guanacos.jpg
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