At the biological crossroads of the Americas, Costa Rica hosts an astonishing array of plants and animals-over half a million species! Ecotourists, birders, and biologists come from around the world
Walking a forest trail in Costa Rica, a visitor might be struck by the sight of an iridescent blue morpho butterfly fluttering ahead in the filtered daylight, or an enormous silk moth, as magnificentl
Every bright monarch butterfly or striking luna moth started out in a far subtler form of nature's mosaic, a humble caterpillar. It is this early stage of life--crafted by natural selection into machi
