In the region there are mostly Areas for the Special Protection of Birds (ASPBs) and Spots of Community Interest (SCIs), which became Special Protection Areas with the launching of the Red Natura 2000 network.
Oropesa, Lagartera and Calera y Chozas Marshes
This is an area of yearly pastures and wasterlands with a rich steppe bird fauna, such as bustard. Waterside vegetation also grows next to the rivers and streams and remains of grasslands. This is an area which is a candidate for SCI, as it includes hábitats included in Directive 92/43/CEE and as ASPB due to the presence of birds included in Directive 79/409/CEE.
Nava de Ricomalillo Mine
A candidate for SCI as it is a winter haven for a number of species of chiroptera which are included in the list of species under Directive 92/43/CEE.
Rivers on the left margin of the Tagus and the Aldeanueva de Barbarroya crags
In the Greenway area, the rivers Uso and FrÃo are included from their source in the Sevilleja mountain range to the Azután reservoir, as well as the Aldeanueva de Barbarroya crags. The beds of these rivers in their upper reaches create canyons inhabited by rock birds of interest as well as other fish and reptil especies. The surrounding vegetation is also of environmental interest. As for the Aldeanueva de Barbarroya crags, this is a well-preserved example of this kind of geomorphological formations.
Tagus River in Castrejón, Malpica de Tajo and Azután islands
The Azután reservoir is included as a SCI because it has marsh hábitats, Riverside formations and ravines inhabited by birds catalogued as threatened. It houses significant nesting colonies of kingfishers, egrets, and herons, and significant winter resting places for cormorants. Current leisure uses are regarded as suitable to preserve its environmental characteristics. This area is a candidate for SCi within the Red Nature as it is contains a habitat of interest and as an ASPB as it houses species included in Annexe I of the Bird Directive.
