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The four owls marked by WWF returning to Spain from the Sahara

Duna, Wheat, Vega and Sahel, the four owls transmitters marked with WWF, have returned to their breeding grounds in the Gorges of Riaz (Segovia) after spending the winter in the south of the Sahara, according to the ecological association.

The route followed by the four birds of prey, as photographs, videos and information about the tour, are available on the web ' www.elviajedelalimoche.com ', launched in 2010 with the collaboration of the Fundación Biodiversidad.

On their journey, the four owls have traveled about 200 miles a day on a route of 3,500 kilometers, which have passed through Mauritania and Morocco, from south to north through the west of Algeria.

Back in Spain after flying over the Strait of Gibraltar, the Griffons went through the province of Cadiz and Seville Alcornocales the Sierra Norte. Later, they passed through the southeast of Extremadura and then por Castilla-La Mancha, entre la Sierra de las Villuercas y los Montes de Toledo. En Castilla y León, superaron la parte oriental de la Sierra de Gredos, en Ávila, para recorrer finalmente los páramos de Ávila y Segovia hasta alcanzar los roquedos de las Hoces del Riaza, donde crían cada año.

Con el regreso de estos cuatro alimoches, la población en las Hoces del Riaza está formada por un total de ocho parejas reproductoras, además de otros individuos jóvenes como Sahel.

Gracias a este programa de seguimiento con tecnología satélite, WWF pretende detectar casos de envenenamiento en tiempo real, aprender sobre la ruta migratoria de estas aves and contribute to the location and magnitude of the main threats to this and other species of migratory birds.

Thus

have found that the main hazards are flying over the Iberian Peninsula and in their own nesting areas where they are more exposed to the presence of poisoned baits in the field, the blades of wind turbines power lines or poorly designed.

In the words of the head of Egyptian Vulture Conservation Project, WWF Spain, Gema Rodríguez, "These experiences provide more precise details on the biology of this species, each more and more scarce in the Peninsula and that undergoes a series of common threats to other birds of prey. "

" Enhancing the migration routes and strategies, well known wintering areas and the associated hazards and develop programs monitoring in pilot areas such as the Gorges of Riaz, are basic tools that should be part of plans for conservation of the species that the regions must urgently begin to develop, "he claimed.

Via: Europapress