A view has been circuling among boa keepers for years that "Bolivian boas" may not come from Bolivia, but from Sao Paulo region, South Brazil. Some South American herpetologists seem to confirm that theory.
Bolivian boas are well-known for having greyish, silvergrey, rarely pinkish basic tone with small dark-brown blotches on tail. They are far from being colorful animals, yet they are popular snakes, especially overseas.
First specimens were imported with legal Bolivian paperwork by a leader live animal importer in the 1980ies. According to the latest informations, it seems to be confirmed that those boas imported from Bolivia could actually come from mountainous regions of South Brazil.
Bolivian herpetologist Francis C. Vasquez reportedly examined more than 600 specimens from 4 different regions in Bolivia. All those specimens were light yellow colored boas with red tails. He never came across a "silverback" boa.
Few days before publishing this current article, a Brazilian native boa enthusiast named Bruno had posted some photos on a major American snake forum which also indicated that "Bolivian" boas could origin from South Brazil. Bruno's animals come from Sao Paulo and they look just the samle like boas known as "Bolivian" or "Bolivian silverback" boas in the US. According to him, boas have grey tones around Sao Paulo, but none of them have yellow tone and red tails like ones found in Bolivia by Francis C. Vasquez.
As we were familiar with Boa c. amarali from Danish bloodline that have a proven origin of Sao Paulo, we have always suspected that silverback boas once were imported to the US could come from Brazil.
If you want to learn more about Boa c. amarali, please click here.
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