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South American fox

life science Maturity 11-13 Next article →

The South American foxes belong to a genus known as Lycalopex.

Culpeo
Culpeo

In Spanish, these animals are called zorro. In Portuguese, they are known as raposa. Although they are called foxes, they are not true foxes. Instead, they are a unique group of canids. This means they are more closely related to wolves and jackals. They only look like foxes because of convergent evolution. This process occurs when different species develop similar traits.

Scientists have used different names for this genus over time. In 1895, a researcher named Allen classified them as Pseudalopex. This name literally means "false fox." He placed them in the genus Canis. Later, in 1914, Oldfield Thomas established the genus Dusicyon for these animals. Finally, in 1975, Langguth reclassified them into the current genus, Lycalopex. This name can also be understood as "wolf fox."

We know these animals have a very long history on Earth.

Dogs, jackals, wolves, and foxes (Plate XXXI)
Dogs, jackals, wolves, and foxes (Plate XXXI)

Some fossils were discovered in Chile. These fossils date back 2.0 to 2.5 million years. This time period is known as the mid- to late Pliocene. Other older fossils were found in the Vorohué Formation in Argentina. These fossils date from the Uquian to the Ensenadan stages of the Late Pliocene. These findings help scientists understand how the genus evolved.

There are several distinct species within the Lycalopex genus.

Zorro de Darwin
Zorro de Darwin

The Culpeo, or Andean fox, lives from Ecuador and Peru to Patagonia and Tierra del Fuego.

Culpeo
Culpeo

Darwin's fox lives in the Valdivian Coastal Range and Chiloé Island in Chile. The South American gray fox, or chilla, is very common in Argentina and Chile.

Chilla in La Rioja
Chilla in La Rioja

The Pampas fox inhabits northern and central Argentina, Uruguay, Bolivia, Paraguay, and Brazil.

Lycalopex vetulus in Bacury Lodge, Anhembi 1
Lycalopex vetulus in Bacury Lodge, Anhembi 1

The Sechuran fox lives in west-central Peru and southwestern Ecuador.

Lycalopex sechurae in Peru 2 (cropped)
Lycalopex sechurae in Peru 2 (cropped)

Finally, the Hoary fox lives in south-central Brazil.

Humans have interacted with these animals in many different ways. Some people hunt them for their durable and soft pelts. In Argentina, they are sometimes called "lamb-killers" because they prey on sheep. In the early 1950s, ranch owners started a campaign to eliminate them. They offered rewards to seasonal workers to catch the foxes. A male fox was worth one Argentinian peso. A female fox was worth as much as five pesos.

Na estrada?
Na estrada?

For workers at that time, five pesos was a significant amount of money. This campaign caused foxes to become nearly extinct in large parts of Argentina.

One surprising fact involves the relationship between humans and the Culpeo.

Dogs, jackals, wolves, and foxes (Plate XIV)
Dogs, jackals, wolves, and foxes (Plate XIV)

Humans once domesticated a form of the Culpeo called the Fuegian dog. This is also known as the Yaghan dog. This is different from most other domesticated canids. Most dogs come from wolves, and silver foxes were domesticated separately. This shows that different canid species can be domesticated multiple times by humans independently.

Understanding Lycalopex helps us see how biology and history connect. The study of their DNA through molecular analysis shows their true evolutionary relationships. This science helps us see how they fit into the wider world of canids. Their history of survival and their changing relationship with humans is a major part of South American natural history. From ancient fossils to modern conservation, these animals remain a vital subject for scientific study.

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🖼️ Images & Media (9)
File:Culpeo.jpg
Culpeo.jpg
File:Zorro de Darwin.jpg
Zorro de Darwin.jpg
File:Chilla in La Rioja.jpg
Chilla in La Rioja.jpg
File:Na estrada?.jpg
Na estrada?.jpg
File:Lycalopex sechurae in Peru 2 (cropped).jpg
Lycalopex sechurae in Peru 2 (cropped).jpg
File:Lycalopex vetulus in Bacury Lodge, Anhembi 1.jpg
Lycalopex vetulus in Bacury Lodge, Anhembi 1.jpg
File:Dogs, jackals, wolves, and foxes (Plate XXXI).png
Dogs, jackals, wolves, and foxes (Plate XXXI).png
File:Dogs, jackals, wolves, and foxes (Plate XVII).png
Dogs, jackals, wolves, and foxes (Plate XVII).png
File:Dogs, jackals, wolves, and foxes (Plate XIV).png
Dogs, jackals, wolves, and foxes (Plate XIV).png
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