B. C. sigma island Tres Marias boa is only known from 9 animals and currently there are no authentic specimens in captivity. The name sigma might not be valid I don't know. Supposedly they do differ from mainland animals in terms of scale count.

True sabogae boas that is animals that truly originate from the islands might not exist in the wild any longer. Animals of similar appearance are imported from mainland Panama but as far as true island locale animals these are probably the rarest boa constrictor ssp in the wild. Maybe the rarest Boa constrictor in nature period. My friend Robert collected a total of five animals in several trips , he had permits to collect 6 from the islands . Only two of the original 5 are still alive.

It still go's back to what is the definition of rare ? Some animals are rare in nature but bred often enough that you can buy them online ..are they rare ? How about species like clouded boas very common in a restricted range but " rare " in captivity . To me rare is the total number of known animals combined captive and wild.

Ernie Eison
WESTWOOD ACRES REPTILE FARM INC.

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