The Burmese python is one of the largest snakes in the world. Adult snakes caught in Florida are between 6 and 9 feet on average, according to the Florida Fish and Wildlife Conservation Commission.

Experts at the St. Louis Zoo are trying to figure out how a 62-year-old ball python laid seven eggs despite not being near a male python for more than 15 years. Mark Wanner, manager of herpetology at ...