I am not sure how to address your question. Do you mean threatening or threatened? Except for a few non-lethal scorpions, there are no threatening animals in the Atacama - no venomous snakes, no large carnivores, etc.
.Tthere are some plants and animals that call the Atacama their home. They are not numerous, however.
In the Atacama there are a few insects, a few lizards and, in some areas, some rodents and foxes and the rare guanaco.
Africa
Click on this link for some excellent information about the Atacama Desert.
Deserts on Earth that begin with the letter A:Algerian Desert (Algeria)Accona Desert (Italy)Arabian Desert (Arabian Peninsula)Atacama (Chile and Peru)Antarctica (Antarctica, ice desert)Arctic (The Arctic, ice desert)
The Incas moved into parts of Chile, including the Atacama Desert. The Atacameno tribe was already living in the desert prior to the arrival of the Incas. There are also a number of cities along the Chilean coast as well as some smaller towns in mining areas.
The Atacama is the driest desert on earth. However, some argue that the title belongs to Antarctica.
The Atacama supports few animals. There are some lizards and insects, some rodents and a few foxes that live in isolated areas. Guanacos sometime are seen on the fringes of the desert where they feed on cactus blooms and lichens.
Copper is the major product of the Atacama Desert.
Rain is very rare in the Atacama Desert. Some areas have not measured any rainfall in historic times.
There are some insects, a few lizards, a few rodents and a few foxes. Guanacos may enter the fringes of the desert where they feed on cactus blooms and lichens.
The Atacama, a 966 km long plateau in South America, is considered to be the world's driest desert. It lies mostly within Chile and Peru west of the Andes Mountains. The Atacama is 50 times drier than Death Valley, in California.Antarctica is considered by many scientists as even drier that the Atacama Desert.The Antarctic and the Atacama Desert share that distinction.Atacama desert