butterflies

(Newser) - The 1-ounce monarch butterfly may have a thing or two to teach us: Each year, some 55 million monarchs make a 4,000-mile multigenerational journey from Canada to Mexico, returning to the same forest, often the same tree, without relying on GPS. How? The insects rely on a unique internal...

(Newser) - The famous migrating monarch butterflies have a new ally in Mexican President Felipe Calderon, who yesterday said he would devote $4.6 million more to the central Mexican reserve where the butterflies hibernate—and crack down on the illegal logging that threatens the insects' habitat. Calderon hopes the measure will...

(Newser) - One of the fastest evolutionary changes ever observed has been witnessed by scientists studying butterflies in the South Pacific, the BBC reports. Blue Moon butterflies managed to fight off a deadly parasitic bacteria by developing suppressor genes to fight the bacteria in just six years. Hard-hit males rebounded from 1%...