Florida scientists tracked 142 invasive Burmese pythons for 20 years and found that all four expelled tracking devices came from pregnant females

• The study examined 305 transmitters implanted in 142 adult snakes across Big Cypress National Preserve and Everglades National Park.
• According to the report published in the Journal of Animal Biotelemetry, titled ‘Case report: observations on expulsions from 20 years of radiotransmitter implantation in adult Burmese p