Graziella Pupillo¹, Vidal Martín Martel², Francesca Fusar Poli², Alessia Rota¹, Davide Maggioni¹, Fausto Ramazzotti¹, Charlotte Dumortier³, Paula Méndez-Fernandez³, Andreia Torres-Pereira⁴, Sara Sá⁴, Andrew Brownlow⁵, Mariel ten Doeschate⁵, Pablo Covelo⁶, Andrea Galimberti¹ and Elena Valsecchi¹, (1)University of Milano-Bicocca, Milano, Italy, (2)Society for the Study of the Cetaceans in the Canary Archipelago, Arrecife, Lanzarote, Spain, (3)Observatoire Pelagis, La Rochelle, France, (4)Portuguese Wildlife Society (SPVS) & Marine Animal Tissue Bank (MATB), Figueira de Foz, Portugal, (5)University of Glasgow, Glasgow, United Kingdom, (6)Coordinadora para o Estudo dos Mamíferos Mariños, Nigrán, Spain