Figure 23.49: Reptilian Diversity (A) The tuatara represents one of only two surviving species in a lineage that diverged long ago. (B) The Jackson’s chameleon is native to east Africa but was introduced to Hawaii in 1972. (C) The ringneck snake of North America is harmless to humans. It coils its tail to reveal a bright orange underbelly, which distracts potential predators from the vital head region. (D) Galápagos tortoises are the largest turtles and among the largest reptiles. They have been documented to live for more than 100 years in the wild.