Buraco das Araras (Mato Grosso do Sul)

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File:Buraco dasararas.jpg
Buraco das Araras, Mato Grosso do Sul.

Buraco das Araras is a huge sandstone crater, a geological formation resulting from the collapse of boulders creating this enormous cavity of about 500 m in circumference and 100 m deep located in the middle of the cerrado in the state of Mato Grosso do Sul.[1] It is home to a wide variety of birds, especially araçari toucans and red-and-green macaws, hence the name of the cave.

According to the decree of IBAMA of 11 April 2007, the crater is part of the 29-hectares Buraco das Araras Private Natural Heritage Reserve (RPPN) and is connected to the RPPN Rio da Prata with 307 hectares.[2]

Geology

File:Buraco das araras.jpeg
Red-and-green macaws living inside the sinkhole.

It is located 53 km from Bonito, around the city of Jardim, in the middle of the cerrado of Mato Grosso do Sul, Brazil. It presents walls of up to 127 meters depth and cave mouth of about 500 meters in diameter, there being a pond of green water, surrounded by lush forest, inhabited by broad-snouted caimans whose survival remains a mystery.[3] Besides them and the macaws, mammals such as armadillos, anteaters, coatis, and other 120 species of birds, including toucans and ibises, chose the place to live.

The crater is a geological formation known as doline, formed by the collapse of huge boulders creating this cave. It is characterized by the corrosion of the limestone below the surface. It is considered the only cave of this type in Brazil and the largest in Latin America with its own ecosystem. Worldwide, there are only five dolines with these features and this one is considered the second largest.[4] The tour of the cave begins with a pleasant and short hike on a trail of about 900 meters, stopping at two watch posts for observation and photos.

Photo gallery

  • Bordas de Dolina (Buraco das Araras).png

    Border of Buraco das Araras, panoramic photo

  • Casal de Arara-vermelha (Ara chloropterus) no ninho.jpg

    Buraco das Araras craggy walls, detail

See also

References

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External links

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