The first United Nations report on a list of 1,200 endangered migratory species concludes that half are in decline. The report is presented this Monday at the opening of the 14th conference of the International Convention on Migratory Species of Wild Animals in Uzbekistan.

In Spain, a vital country on the migratory routes between Europe and Africa, there are clear examples of ecosystem degradation. In Doñana, the lack of water due to the drought and the overexploitation of aquifers have caused wintering birds to fall to an all-time low.