Fig. 1From: Dolphin whistles can be useful tools in identifying units of conservationMap of the ocean basins included in the study. Two sub-areas were investigated per basin. In the Atlantic Ocean: the Azores islands and the Canary Islands. In the Mediterranean Sea: the Alboran Sea, and the Western Mediterranean (A Ligurian Sea, B Tyrrhenian Sea, C Sardinian waters, D Provençal Sea, E Spanish waters, F Balearic waters). Dots represent striped dolphin sightings, stars bottlenose dolphin sightings and triangles common dolphin sightings. Map was generated by using QGis 2.2.0 (http://qgis.org/it/site)Back to article page