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Invasive Snakes

An invasive species is an introduced species that has itself themselves and threatens the diversity and/or stability of a native species or environment. WARC researches the basic biology and environmental tolerances of these plant and animal species to provide resource managers with the ecological facts they need to help mitigate and control these problematic species. This work includes invasive snakes, like the Burmese python in South Florida.
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Staff Profile Photo of Austin Fitzgerald

Python Vital Rates

Researchers from USGS-FORT and WARC and University of Florida are collaborating on a long-term Burmese python research program in southern Florida to address management needs of partners and stakeholders throughout the Greater Everglades.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Fort Collins Science Center, Wetland and Aquatic Research Center
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Python Vital Rates

Researchers from USGS-FORT and WARC and University of Florida are collaborating on a long-term Burmese python research program in southern Florida to address management needs of partners and stakeholders throughout the Greater Everglades.
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Burmese python in Everglades National Park

USGS Coordinated Burmese Python Research Strategy for South Florida (FY21 – FY27)

Wetland and Aquatic Research Center and Fort Collins Science Center are coordinating a long-term, landscape-scale Burmese python research strategy for South Florida.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Fort Collins Science Center, Wetland and Aquatic Research Center
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USGS Coordinated Burmese Python Research Strategy for South Florida (FY21 – FY27)

Wetland and Aquatic Research Center and Fort Collins Science Center are coordinating a long-term, landscape-scale Burmese python research strategy for South Florida.
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Invasive Burmese Python

Applications of Advanced Tracking and Modeling Tools with Burmese Pythons across South Florida's Landscape

Researchers will determine movement rates and habitat-use patterns of pythons across the South Florida landscape by conducting a telemetry study tracking pythons simultaneously in several locations
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Wetland and Aquatic Research Center
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Applications of Advanced Tracking and Modeling Tools with Burmese Pythons across South Florida's Landscape

Researchers will determine movement rates and habitat-use patterns of pythons across the South Florida landscape by conducting a telemetry study tracking pythons simultaneously in several locations
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Invasive Burmese Python

Habitat Selection of the Burmese Python in the Florida Everglades

Researchers plotted locations of radio-tagged pythons to create a habitat suitability model.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Wetland and Aquatic Research Center
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Habitat Selection of the Burmese Python in the Florida Everglades

Researchers plotted locations of radio-tagged pythons to create a habitat suitability model.
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ARM map of starry stonewort (Nitellopsis obtusa) sighting in Medicine Lake in Minnesota on August 3rd, 2018

The Nonindigenous Aquatic Species Alert Risk Mapper (ARM)

The Nonindigenous Aquatic Species (NAS) program has developed a new tool, the NAS Alert Risk Mapper (ARM), to characterize waterbodies in the conterminous U.S. and Hawaii at potential risk of invasion from a new nonindigenous species sighting.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Species Management Research Program, Wetland and Aquatic Research Center
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The Nonindigenous Aquatic Species Alert Risk Mapper (ARM)

The Nonindigenous Aquatic Species (NAS) program has developed a new tool, the NAS Alert Risk Mapper (ARM), to characterize waterbodies in the conterminous U.S. and Hawaii at potential risk of invasion from a new nonindigenous species sighting.
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Three pythons well camoflaged

Statistical Models for the Design and Analysis of Environmental DNA (eDNA) Surveys of Invasive and Imperiled Species

Detecting invasive species at low densities or prior to population establishment is critical for successful control and eradication. For example, Burmese pythons occupy thousands of square kilometers of mostly inaccessible habitats.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Species Management Research Program, Wetland and Aquatic Research Center
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Statistical Models for the Design and Analysis of Environmental DNA (eDNA) Surveys of Invasive and Imperiled Species

Detecting invasive species at low densities or prior to population establishment is critical for successful control and eradication. For example, Burmese pythons occupy thousands of square kilometers of mostly inaccessible habitats.
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Researchers capture a Burmese python in the Everglades

Optimal Control Strategies for Invasive Exotics in South Florida

The establishment and proliferation of exotic plants and animals can interfere with native ecological processes and can cause severe stress to sensitive ecosystems.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Eastern Ecological Science Center, Wetland and Aquatic Research Center
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Optimal Control Strategies for Invasive Exotics in South Florida

The establishment and proliferation of exotic plants and animals can interfere with native ecological processes and can cause severe stress to sensitive ecosystems.
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Nonindigenous Aquatic Species Database and Website (NAS)

Nonindigenous Aquatic Species (NAS) Program

Welcome to the Nonindigenous Aquatic Species (NAS) information resource for the United States Geological Survey. Located at Gainesville, Florida, this site has been established as a central repository for spatially referenced biogeographic accounts of introduced aquatic species. The program provides scientific reports, online/realtime queries, spatial data sets, distribution maps, and general...
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Wetland and Aquatic Research Center
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Nonindigenous Aquatic Species (NAS) Program

Welcome to the Nonindigenous Aquatic Species (NAS) information resource for the United States Geological Survey. Located at Gainesville, Florida, this site has been established as a central repository for spatially referenced biogeographic accounts of introduced aquatic species. The program provides scientific reports, online/realtime queries, spatial data sets, distribution maps, and general...
Learn More
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Three pythons well camoflaged

Efficacy of eDNA as an Early Detection and Rapid Response Indicator for Burmese Pythons in the Northern Greater Everglades Ecosystem

Traditional approaches to locating Burmese pythons - including visual searches and trapping - have resulted in low detection. Environmental DNA - or eDNA - is increasingly being used to detect the presence of non-native species, particularly when traditional methods may not be adequate.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Wetland and Aquatic Research Center
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Efficacy of eDNA as an Early Detection and Rapid Response Indicator for Burmese Pythons in the Northern Greater Everglades Ecosystem

Traditional approaches to locating Burmese pythons - including visual searches and trapping - have resulted in low detection. Environmental DNA - or eDNA - is increasingly being used to detect the presence of non-native species, particularly when traditional methods may not be adequate.
Learn More
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Captured Burmese python

Genetic Analysis of the Invasive Burmese Python to Aid Management and Population-Control Decision-Making

Invasive Burmese pythons threaten the success of Everglades restoration efforts. To assist with management and population control decision making, USGS scientists are implementing genetic studies to identify potential new entry pathways and to help quantify the size of the breeding population.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Wetland and Aquatic Research Center
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Genetic Analysis of the Invasive Burmese Python to Aid Management and Population-Control Decision-Making

Invasive Burmese pythons threaten the success of Everglades restoration efforts. To assist with management and population control decision making, USGS scientists are implementing genetic studies to identify potential new entry pathways and to help quantify the size of the breeding population.
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Burmese Python are difficult to detect

Using Environmental DNA for Burmese Python Detection Probabilities and Range-Delimitation in Southern Florida

Current tools for detection of Burmese pythons in South Florida have resulted in low detection rates. Environmental DNA - eDNA - has shown to be effective at detecting these invasive snakes, and can help to determine range limits for the species, information that is critical for management and control efforts.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Wetland and Aquatic Research Center
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Using Environmental DNA for Burmese Python Detection Probabilities and Range-Delimitation in Southern Florida

Current tools for detection of Burmese pythons in South Florida have resulted in low detection rates. Environmental DNA - eDNA - has shown to be effective at detecting these invasive snakes, and can help to determine range limits for the species, information that is critical for management and control efforts.
Learn More
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Ecology of and Control Strategies for Invasive Burmese Pythons (Python molurus bivitattus) in the Greater Everglades

Telemetry tracking of captured pythons reveals movement patterns of the invasive Burmese python in the Greater Everglades, information that managers can use to prioritize python control efforts.
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Ecosystems Mission Area, Biological Threats and Invasive Species Research Program, Species Management Research Program, Wetland and Aquatic Research Center
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Ecology of and Control Strategies for Invasive Burmese Pythons (Python molurus bivitattus) in the Greater Everglades

Telemetry tracking of captured pythons reveals movement patterns of the invasive Burmese python in the Greater Everglades, information that managers can use to prioritize python control efforts.
Learn More