When setting off from England in 1831 for a five-year voyage, Darwin had little ambitions for groundbreaking scientific research. After surveying the coasts of South America, the ship stopped over in the Galapagos Islands. read more
Eventually, after having left the Galapagos, Darwin concluded that one type of finch from South America had arrived on the recently-risen islands and, like the tortoises, had adapted to the different opportunities found on each island. read more