Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and ...

Perhaps the best-known insect migrant is the monarch butterfly (Danaus plexippus) (Figure 3a). At the end of every summer, more than 100 million individuals sweep across North America to ...

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars fold into green-and-gold chrysalises and ...

What makes for a successful insect migration? For a monarch butterfly, the more white spots you have, the better your chances, new research suggests. Researchers from the University of Georgia ...

Reporting from Europe, Jeff McMahon covers the environment. Monarch butterflies gather in the Oyamel Forest at El Rosario Sanctuary in Angangueo, Michoacan, ... [+] Mexico. Millions of monarch ...

Monarch butterflies are a keystone species, meaning they play a massive role in their native ecosystems. Think you know ...