Today, the Barn Swallows and House Martins have arrived to the Valley , but the Crag Martin already take here more of a month. But now only they missing the Common Swifts.
The best bird records of october in Burgos province. Black-necked Grebe (Podiceps nigricollis). 3 birds 01-10-11, (Beatriz Tomás, Justina Pérez Martín, Mayte Samblás); 09-10-11 1…
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