WASHINGTON, March 6 (Reuters) - The population of butterflies - the beautiful insects that play a vital role in pollination and the health of ecosystems - has fallen in the United States by more ...

A fluttering butterfly makes most people smile with delight — a reaction that makes them special among insects. Some people love butterflies so much that, like birders, they look for and count ...

The Danaus eresimus, commonly known as the soldier butterfly, is among the 20 butterfly species experiencing the steepest decline Butterfly populations in the US shrank by more than a fifth within ...

Two-thirds of studied species declined by more than 10%, the study said. Butterfly populations have dropped by 22% across 554 recorded species in the United States, according to a new study in the ...

Caterpillars grow, feed and then transform from a chrysalis to a beautiful colourful butterfly before our very eyes. This clip is from the series Wonders of Nature. This clip could be used in the ...