Palma: Palma del Valle, 2007. Octavo, laminated boards, colour photographs, maps.

About 300 million birds cross the Strait of Gibraltar in both directions. Of these, about 700 thousand are soaring birds (raptors and storks) and a large proportion of this amazing biomass use the areas near the Strait as resting and feeding sites.

More than 200 superb photographs, splendid drawings, plus maps and charts will help readers learn about this fabulous enclave, unique in the Western Palaeactic, where seas, cultures, religions and an exceptional biodiversity converge to make the Campo de Gibraltar an area of incalculable value.