![]() The high proportion of solitary reproductive males and the operational sex ratio (male:female, 1.53:1) suggests a system of "prolonged mate-searching polygyny. Aggregated boas were found only during the dry season. Now the largest venomous show in Texas Buy or browse thousands of reptiles. Reproductive females were in better body condition (mass relative to body length) than nonreproductive females, indicating that a female's initial "decision" to reproduce in any given year may be driven by her body condition (storing enough energy for a long period before expending it on reproduction: "capital breeder"). Join us June 10th and 11th for the largest reptile show in the Houston area. The ratio of reproductive to nonreproductive females was 1:1, suggesting females do not reproduce annually in this population. ![]() Reproductive activity was seasonal and associated, with vitellogenesis and spermatogenesis occurring during the dry season (April to September). Here at Snake Country, we take pride in the husbandry and breeding of the most beautiful boas and pythons in the world. ![]() Litter size averaged 25.05 and increased significantly with maternal body size. Adult females were 14% longer and 51% more massive than adult males. Snakes were examined by ultrasound scanning between 19. ![]() In fact, in some places in South America, boa constrictors are used to control rat infestations inside homes. We provide data on sexual dimorphism, reproductive biology, and mating aggregations of the Argentine Boa Constrictor (Boa constrictor occidentalis), a poorly known, threatened species. Conservation Physical Description While many others may be afraid of boa constrictors, there are very few cases of them attacking humans even human babies are too large to be suitable prey for boa constrictors. ![]()
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