Researchers have discovered evidence to support the idea that Vikings settled on the Azores several hundred years before the Portuguese arrived in 1427. Evidence from animal remains has led ecologist Pedro Raposeiro and his team, of the University of the Azores, to believe the Vikings were there first.... ...Evolutionary biologist Dr Jeremy Searle of Cornell University has supported the conclusions by Mr Raposeiro. He has also argued that Vikings made it to the Azores - but his work is based on the mouse as his biological source....