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This is a comparison photo of a typical orange-phase Sonoran BCI and a Tarahumara BCI. Both are 2003 CB babies produced here. Note the pattern and size differences. Ventral markings are also different. The Sonoran boa is actually 3 weeks younger. Although both will get more color as they mature the Tarahumara boa will eventually have a more beautiful contrast and irridesence.
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Here is the other major difference plainly illustrated. Small Sonoran boas (and many adults) will tear into you for any reason at any time, while the Tarahumara boa is more lilely to stay still and act passive. Who knows what is the evolutionary reason for that..
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Gus
A. Rentfro
RioBravoReptiles.com

"Quality is not an accident. Perfectly healthy animals are a minimum requirement.. everything else is just salesmanship" gus

>>This is a comparison photo of a typical orange-phase Sonoran BCI and a Tarahumara BCI. Both are 2003 CB babies produced here. Note the pattern and size differences. Ventral markings are also different. The Sonoran boa is actually 3 weeks younger. Although both will get more color as they mature the Tarahumara boa will eventually have a more beautiful contrast and irridesence.
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>>Here is the other major difference plainly illustrated. Small Sonoran boas (and many adults) will tear into you for any reason at any time, while the Tarahumara boa is more lilely to stay still and act passive. Who knows what is the evolutionary reason for that..

Oh I can attest to the tearing into part. All my baby sonorans hiss and try to bite no matter what. Most do calm down with handling, but I have one adult female in particular who is very unpredictable. My smaller female is a sweetie, and so is my male. Finally measured him the other day-he's at 4 feet, older female is at almost 5 feet.

Here's a couple of the babies I have here:

I don't have any updated pictures yet, those are from August.

What are the ventral differences between the tarahumara and mexican?

-cat
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