Hungary's first
scientific site about Boa constrictors

By locality:

    Belize boas (Boa c. imperator)

    Boa constrictors occur all over Belize, including several islands. The mainland populations are bigger, heavier than island forms, even if they rarely reach 2m (6,5 ft). Primary food sources are mammals, but they often capture lizards, birds, amphibians.

    Their appearance is not very prominent, they may look homogenic greyish with moderate red and more brownish, rust-brown colors toward the tail. Saddles are typically imperator-ish.

    We have no information is there is any mainland Belize boa in captive collections. However, a few island forms does occur among hobbysts.



    Crawl Cay boa and Cay Caulker boa

    As we mentioned before, boas are also native to several island in Belize. These island populations are significantly different from their mainland reliatves. Their preys are mostly migrating birds that are available only in certain periods each year.


    One year old, F1 generation Cay Caulker boa. Photo: Gus Rentfro


    Consequently, these island forms barely reach 1,2-1,5m (4-5 ft) in length. A study also confirmed these island races are half as long as mainland forms and they are 1/5 (!) as heavy . They also produce much less number of offspring that are also much smaller compared to mainland boa babies (Scott M. Boback).

    Boas from Crawl Cay and Cay Caulker are currently recognized in captivity. Both forms are considered as dwarfs, averaging 1,5m (5 ft). Crawl Cay and Cay Caulker boas are showing a tendency for anerythristic traits (lacking red pigments) which makes them look even more greyish than their mainland relatives, lacking any pastel colors.


    Young Crawl Cay boa. Photo: Gus Rentfro



    Their care does not require any special circumstances and are relatively easy to breed, therefore they are ideal pets for most boa enthusiasts. The only difficulty could be their stiff price.

    Forrás:
    Scott M. Boback: Natural History and Conservation of Island Boas (Boa constricor) in Belize

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