![]() ![]() Like all snakes, Northern boas in a shed cycle are more unpredictable, because the substance that lubricates between the old skin and the new makes their eyes appear milky, blue, or opaque so that the snake cannot see very well, causing it to be more defensive than it might be otherwise. Specimens from Central America are more irascible, hissing loudly and striking repeatedly when disturbed, while those from South America tame down more readily. Their bite can be painful, especially from large snakes, but is rarely dangerous to humans. These snakes strike when they perceive a threat. Northern boas are ambush predators and use constriction as the primary means of killing their prey. As semi-arboreal snakes, young boas may climb into trees and shrubs to forage however, they become mostly terrestrial as they become older and heavier. University of Michigan Museum of Zoology University of Michigan. imperator used to be classified as a subspecies of Boa constrictor until DNA sequencing identified imperator as a distinct genetic lineage with 5-7 sequence divergence from constrictor. They are nocturnal but may come out to bask during the day when night-time temperatures are too low. Read about Boa constrictor (Boa Constrictor) on the Animal Diversity Web. Boa imperator (Central American Boa/Common Boa). The boa constrictor is a member of the family Boidae, found in tropical South America, as well as some islands in the Caribbean. (2014), with North and Central American taxa referred to Boa imperator. The name Boa constrictor was subsequently confined to the South American clade defined by Reynolds et al. Northern boas generally live on their own and do not interact with any other snakes unless they want to mate. Boa constrictor, also called the red-tailed boa or the common boa, is a species of large, non-venomous, heavy-bodied snake that is frequently kept and bred in captivity. 2016) have investigated the systematics of Boa constrictor across its wider range on both morphological and molecular grounds.
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