The extraordinary odyssey of Fiji's iguanas

The islands can emerge in the ocean due to tectonic or volcanic phenomena. This was the origin of the Canary Islands, in the middle of the tertiary era. The new islands are depopulated at their origin, but are quickly colonized. Seeds transported by winds or birds give rise to a first vegetation cover. Birds, flying insects or bats arrive later by air, but terrestrial animals have more problems to colonize the emerging islands. An important way …