>>19078672>Al-Idrisi also described the Guanche men as tall and of a reddish-brown complexion.In the depictions of travelers and explorers the Guanche are also shown with blond hair a lot.
Unfortunately physical strength wasn't everything. The natural habitad of GigaChad Island got disturbed by the Spaniards and although through their strength helped them to achieve astonishing victories at first (
https://en.wikipedia.org/wiki/First_Battle_of_Acentejo besides using their spears, they are reported to have thrown large rocks) onto the invaders) the technological advantage of the Spanish gave them the upper hand in the long run. It's still a great victory concerning these people were fighting with stone age weapons against an army with sophisticated weapons, guns and armour.