The Doñana National Park, in southern Spain, has once again become the focus of environmental debate following the discovery of the remains of a white stork that had ingested around 150 plastic bands.
Of the bird, only the beak, some feathers, and a pile of debris were preserved, evidence of the direct impact of pollution on wildlife in one of Europe’s most emblematic natural spaces.
A case that reflects environmental pressure
The investigation determined that the stork mistook the plastic fragments for worms during feeding, which led to its death. This episode confirms that the dispersion of plastics is not limited to human activity within protected areas: birds, especially opportunistic species like storks and gulls, act as vectors for waste transport.
As noted by the portal Okdiario, these birds frequently feed in open-air dumps, where they ingest bags, wrappers, balloons, masks, pacifiers, and other plastic objects. Later, as they move to lagoons, marshes, and natural parks, they regurgitate these materials or die with them in their stomachs, facilitating their arrival in high ecological value environments.
The problem in other Andalusian wetlands
Research conducted in Andalusian wetlands measures the magnitude of the problem:
- In the salinas de la Tapa (Cádiz), storks deposit up to 200 kilos of plastic per year.
- In the laguna de Fuente de Piedra (Málaga), the figure rises to 400 kilos, mainly transported by gulls.
These calculations were obtained through the analysis of pellets (bird regurgitations), where plastics appear alongside organic remains such as bones, shells, or insects.
Consequences on biodiversity
The introduction of plastics in Doñana and other wetlands has direct effects on biodiversity and food chains. The waste not only occupies physical space but also releases toxic chemical compounds.
Plastics contain up to 4,000 different additives, some with effects that can bioaccumulate in fish, birds, and mammals. The pollution is also reflected in the stork nests, which use bags, ropes, and plastic wrappers as construction material. In some cases, the nests can accumulate up to 2,000 kilos of waste.
International warnings
The environmental deterioration of Doñana has prompted repeated warnings from Unesco, which urged Spain to strengthen the park’s protection and warned about the possibility of including it in the list of world heritage in danger if more forceful measures are not adopted.
The Doñana Biological Station (EBD-CSIC) has been documenting the relationship between landfills and wetlands for years through studies of movement ecology with GPS devices, confirming how birds transport waste from urban areas to protected natural spaces.
The case of the white stork in Doñana is a concrete and alarming example of the impact of plastic pollution on wildlife. Beyond the individual tragedy, it reflects a structural problem that threatens biodiversity and the health of ecosystems.
The environmental pressure on Doñana demands urgent measures: reducing the dispersion of plastics, controlling landfills, and strengthening the protection of a natural space that is a world heritage site.
