Ecology and Control of Invasive Reptiles in Florida
This project involves development of tools for the detection and control of invasive reptiles in Florida, with an emphasis on pythons and tegu lizards. The goals are to reduce the risk of reptile invasions, investigate early detection methods, maintain rapid response capacity, and understand invasive reptile population biology and ecology to inform management options.
Florida’s Greater Everglades Ecosystem encompass vast subtropical habitats within and around Everglades National Park, which is the only place in the United States designated as a World Heritage Site, an International Biosphere Reserve, and a Wetland of International Significance. Billions of dollars have been committed to the long-term restoration of this ecosystem, but burgeoning populations of introduced and invasive reptiles threaten prospects for restoration.
USGS FORT Invasive Species Scientists are conducting research on a range of detection and control tools for invasive reptiles in Florida, including environmental DNA sampling methods for terrestrial systems, reproductive research to identify critical biological vulnerabilities, and vital rate fieldwork. Scientists are also conducting basic ecological research to better understand impacts of these invasive predators and inform development of control tools.
Python Problem
The invasive Burmese python (Python bivittatus) is established across South Florida and is implicated in the negative impacts of myriad native fauna. It is the most widely known of these invaders, and this giant snake appears to have contributed to drastic declines among several species of midsized mammals in the Everglades. For more than a decade, scientists and managers have investigated python ecology in the area to understand its habits and develop targeted removal and control tools. However, due to their incredible crypsis, pythons have proven extremely difficult to assess, and no tractable abundance estimates have yet been made.
Troublesome Tegus
Black and white tegus (Salvator merianae; tegu) are large terrestrial lizards from South America that are newly established in Everglades National Park, presenting a significant conservation issue. Tegus are dietary generalists with a predilection for eating eggs of ground-nesting animals, putting several threatened or endangered species and species that are indicators for Everglades Restoration at risk (for example, American crocodiles, black rails, and American alligators) within the Greater Everglades Ecosystem.
Below are other science projects associated with this project.
Mentoring the next generation: USGS, NPS, and University of Florida Cooperative Research Unit Invasive Reptile Intern Program
USGS Everglades Research Office - Florida
Giant Constrictor Snakes in Florida: A Sizeable Research Challenge
Below are publications associated with this project.
Supersize me: Remains of three white-tailed deer (Odocoileus virginianus) in an invasive Burmese python (Python molurus bivittatus) in Florida
Challenges to a molecular approach to prey identification in the Burmese python, Python molurus bivittatus
Observations of two non-native snake species in the same remote area of southern Florida
Environmental DNA (eDNA) sampling improves occurrence and detection estimates of invasive Burmese pythons
The influence of disturbed habitat on the spatial ecology of Argentine black and white tegu (Tupinambis merianae), a recent invader in the Everglades ecosystem (Florida, USA)
Caveats for correlative species distribution modeling
Brumation of introduced Black and White Tegus, Tupinambis merianae (Squamata: Teiidae), in southern Florida
Assessing risks to humans from invasive Burmese pythons in Everglades National Park, Florida, USA
Python molurus bivittatus (Burmese python). Minimum size at maturity
Invasive and introduced reptiles and amphibians
Phelsuma grandis (Madagascar day gecko)
Severe mammal declines coincide with proliferation of invasive Burmese pythons in Everglades National Park
Below are partners associated with this project.
This project involves development of tools for the detection and control of invasive reptiles in Florida, with an emphasis on pythons and tegu lizards. The goals are to reduce the risk of reptile invasions, investigate early detection methods, maintain rapid response capacity, and understand invasive reptile population biology and ecology to inform management options.
Florida’s Greater Everglades Ecosystem encompass vast subtropical habitats within and around Everglades National Park, which is the only place in the United States designated as a World Heritage Site, an International Biosphere Reserve, and a Wetland of International Significance. Billions of dollars have been committed to the long-term restoration of this ecosystem, but burgeoning populations of introduced and invasive reptiles threaten prospects for restoration.
USGS FORT Invasive Species Scientists are conducting research on a range of detection and control tools for invasive reptiles in Florida, including environmental DNA sampling methods for terrestrial systems, reproductive research to identify critical biological vulnerabilities, and vital rate fieldwork. Scientists are also conducting basic ecological research to better understand impacts of these invasive predators and inform development of control tools.
Python Problem
The invasive Burmese python (Python bivittatus) is established across South Florida and is implicated in the negative impacts of myriad native fauna. It is the most widely known of these invaders, and this giant snake appears to have contributed to drastic declines among several species of midsized mammals in the Everglades. For more than a decade, scientists and managers have investigated python ecology in the area to understand its habits and develop targeted removal and control tools. However, due to their incredible crypsis, pythons have proven extremely difficult to assess, and no tractable abundance estimates have yet been made.
Troublesome Tegus
Black and white tegus (Salvator merianae; tegu) are large terrestrial lizards from South America that are newly established in Everglades National Park, presenting a significant conservation issue. Tegus are dietary generalists with a predilection for eating eggs of ground-nesting animals, putting several threatened or endangered species and species that are indicators for Everglades Restoration at risk (for example, American crocodiles, black rails, and American alligators) within the Greater Everglades Ecosystem.
Below are other science projects associated with this project.
Mentoring the next generation: USGS, NPS, and University of Florida Cooperative Research Unit Invasive Reptile Intern Program
USGS Everglades Research Office - Florida
Giant Constrictor Snakes in Florida: A Sizeable Research Challenge
Below are publications associated with this project.
Supersize me: Remains of three white-tailed deer (Odocoileus virginianus) in an invasive Burmese python (Python molurus bivittatus) in Florida
Challenges to a molecular approach to prey identification in the Burmese python, Python molurus bivittatus
Observations of two non-native snake species in the same remote area of southern Florida
Environmental DNA (eDNA) sampling improves occurrence and detection estimates of invasive Burmese pythons
The influence of disturbed habitat on the spatial ecology of Argentine black and white tegu (Tupinambis merianae), a recent invader in the Everglades ecosystem (Florida, USA)
Caveats for correlative species distribution modeling
Brumation of introduced Black and White Tegus, Tupinambis merianae (Squamata: Teiidae), in southern Florida
Assessing risks to humans from invasive Burmese pythons in Everglades National Park, Florida, USA
Python molurus bivittatus (Burmese python). Minimum size at maturity
Invasive and introduced reptiles and amphibians
Phelsuma grandis (Madagascar day gecko)
Severe mammal declines coincide with proliferation of invasive Burmese pythons in Everglades National Park
Below are partners associated with this project.