Canary Islands 29% of Britons, 22% of Spanish, not residents of the Canaries, and 21% of Germans). Among the islands, Tenerife has the largest number of tourists received annually, followed by Gran Canaria and Lanzarote. The archipelago's principal tourist attraction is the Teide National Park (in Tenerife) where the highest mountain in Spain and third largest volcano in the world (Mount Teide), receives over 2.8 million visitors annually. The combination of high mountains, proximity to Europe, and clean air has made the Roque de los Muchachos peak (on La Palma island) a leading location for telescopes like the Grantecan. The islands, as
Gallotia 2010). Finally, the clade that colonized the younger western islands was likely to have originated from Lanzarote/Fuerteventura. This western island clade diverged into two groups, all of which colonized Tenerife, La Palma, La Gomera and El Hierro, leading to 1) a medium-bodied (e.g., "G. caesaris" from El Hierro) and 2) a large bodied "giant" species (e.g., "G. simonyi" from El Hierro) on each of these islands (note that "G. intermedia" from Tenerife belongs to the "giant" group, but present-day individuals are not that large). The giant species now exist, at best, in small relict populations, while "G. auritae" may be