The migratory population of black-necked grebe in the Odiel Marshes is exposed to potentially toxic levels of metal pollution during its stay in the coastal wetland for the purpose of moulting

The Odiel Marshes, which are located in the mouth of the Tinto and Odiel rivers, in the south of the province of Huelva (Spain), are one of the most important coastal wetlands in the Iberian Peninsula owing to their high ecological, socioeconomic and cultural value. At this point of Spanish...