1 Animal Biology, Geology and Edaphology Department, University of La Laguna, Av. Astrofisico Francisco Sánchez, 38206, La Laguna, Tenerife, Canary Islands, Spain.
2 Island Ecology and Evolution Research Group (IPNA-CSIC), Av. Astrofisico Francisco Sánchez, 3, 38206, La Laguna, Tenerife, Canary Islands, Spain.
3 Servicio de Medio Ambiente, Cabildo Insular de La Palma, Avenida de Los Indianos, 20, 38700, Santa Cruz de La Palma, La Palma, Canary Islands, Spain.