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Madrid fights against invasion: over 4,000 exotic species removed in a year

Over 4,000 specimens of exotic species were removed in Madrid during 2025 as part of efforts to preserve local biodiversity.

Sofía HerreraSofía Herrera· · 2 min read

An effort for biodiversity in Madrid

The Community of Madrid has intensified its efforts to protect local biodiversity, removing 4,012 specimens of invasive exotic species during the year 2025. This initiative, led by the Fauna Patrol and technicians from the Environment area, aims to mitigate the environmental impact that these species can cause on the region's natural ecosystems.

As exotic species adapt to their new environment, their presence can severely disrupt the natural balance. Many of these species have been introduced into the Madrid environment due to abandonment or intentional releases by individuals. The regional government has pointed out that it is crucial to reduce the pressure these animals exert on native wildlife, as they compete for vital resources such as food and space.

The captured animals are transferred to the Félix Rodríguez de la Fuente Wildlife Recovery Centre, located in Tres Cantos. There, a team of veterinarians and specialists takes care of the necessary treatment for each rescued species.

Throughout the past year, several notable species have been recorded among the removed specimens. These include 253 American turtles, 118 Argentine parrots, and 84 raccoons. Additionally, other animals such as 61 Nile geese, 41 red-bellied turtles, and six American minks have been recovered.

Not only mammals and reptiles are being affected; the waters of Madrid also suffer from the presence of invasive fish. A total of 1,208 bleak fish have been removed, along with other species such as carp and sunfish, adding up to a significant total that reflects the challenge posed by these uncontrolled introductions.

Local authorities have called on citizens to remember that releasing exotic species into the natural environment is prohibited by law. This practice not only endangers native species but can also lead to legal penalties for those who violate this regulation.

Through these proactive actions, Madrid demonstrates its commitment to environmental conservation and the protection of its rich biodiversity. The fight against invasive species is an ongoing task that requires collaboration between institutions and citizens to ensure a sustainable future for all inhabitants of the Madrid ecosystem.

Sofía Herrera

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Sofía Herrera