Action conducted by the Conservancy of Southwest Florida between November 2025 and April 2026 reinforces the use of telemetry, targeted capture, and scientific research in controlling Burmese pythons
The removal of 177 Burmese pythons from the southern Florida swamps marked a new record in the fight against the invasive species that threatens the local fauna. According to the Conservancy of Southwest Florida, the operation took place between November 2025 and April 2026 and removed about 3.7 tons of snakes, the largest volume ever recorded by the initiative in a single season.
The program also removed more than 4,100 eggs during the reproductive period, preventing the birth of thousands of hatchlings. The measure reduced the potential expansion of the invasive population in sensitive areas of the Everglades and nearby regions.
Originally from Southeast Asia, the Burmese python arrived in Florida after decades of introductions associated with the pet trade. The lack of significant natural predators allowed the species to occupy a prominent position in the local food chain.
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Native mammals, birds, and reptiles have come under increasing pressure with the expansion of these snakes. Biologists consider the advancement of Burmese pythons one of the main environmental challenges faced by Florida.
Strategy with transmitters helps teams find reproductive females
The operation did not rely solely on random searches in the swamps. Researchers used a strategy based on scientific monitoring and continuous fieldwork.
Males equipped with radio transmitters were tracked during the breeding season. During this period, these animals lead the teams to females ready to mate.
The technique allows locating large females before egg-laying. This point is crucial, as each female can carry dozens of eggs and rapidly expand the invasive population.
According to Ian Bartoszek, scientific project manager at the Conservancy, focusing efforts on large reproductive females has a disproportionate impact on the species. The measure also helps limit the advance of pythons in the region.

Season numbers show the magnitude of the environmental problem
The data collected from the necropsies revealed the size of the challenge faced by the teams. On average, the females removed weighed about 43 kilograms and carried approximately 70 eggs.
Some specimens exceeded five meters in length. Researchers also found traces of large prey in the snakes’ digestive systems, including deer.
Among the main numbers of the operation, the following stand out:
- 177 Burmese pythons captured
- 3.7 tons of snakes removed
- more than 4,100 eggs removed
- operation conducted between November 2025 and April 2026
- largest volume ever recorded by the program in a season
Program started in 2013 has already removed over 24 tons of pythons
Since 2013, the Conservancy of Southwest Florida claims to have removed approximately 1,750 pythons from southwest Florida. Together, these captures total more than 24 tons.
Each snake removed provides information on the species’ diet, reproduction, and behavior. This data strengthens scientific studies and aids in the development of new management strategies.
The combination of telemetry, targeted removal of large females, and ongoing research appears as one of the most effective tools to reduce the impacts of Burmese pythons on Florida’s native fauna.

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