Peruvian Rainbow Boas,Epicrates cenchria gaigei look similar to Brazilian Rainbow Boas,Epicrates cenchria cenchria. Peruvians often get larger and heavier. Older adults often have heads and necks that look larger and heavier then Brazilians. Both subspecies have a great deal of variation in color and pattern. Many Peruvians have thicker and darker dark markings. This is often most noticeable looking at the heads of the snakes. Peruvians have fewer and larger scales. This is most noticeable in big adults. The only sure method to tell them apart is by doing scale counts. Peruvians usually have 44 or fewer scale rows at midbody. Brazilians usually have 45 or more scale rows at midbody. Some Brazilians will have as many as 51 scale rows at midbody.

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