Science Jan 11 Scientists use new technology to track individual monarch butterfly migrations By Ali Rogin, Kaisha Young
Science Jul 30 Watch 6:12 Monarch butterfly declared endangered amid declining numbers Last week, the monarch butterfly was officially designated as endangered by the International Union for Conservation of Nature. Scientists estimate that the species' population has dropped between 20% and 90% over the last several decades. Scott Hoffman Black, executive director… By Ali Rogin, Harry Zahn, Claire Mufson, Solveig Rennan
Science Jul 09 Butterflies are disappearing in Ohio. Here's what that means for insects everywhere Butterflies also act as big, flashy beautiful warning signs for environmental change. By Vicky Stein
Science Nov 07 A 2-million-year-old 'supergene' helps these butterflies mimic their poisonous cousins When it comes to survival of the fittest, female swallowtail butterflies are masters of disguise. Here's why. By Rashmi Shivni, Teresa Carey
World Nov 05 Butterflies swarm eastern Australia in large-scale migration Caper White butterflies are migrating west of the Great Dividing Range, which is the third-longest stretch of mountains in the world, in order to lay their eggs and find food. By Rebecca Oh
May 17 Watch 8:48 Do call it a comeback -- how the checkerspot butterfly found salvation in a women's prison By PBS News Hour Continue watching
Feb 10 Nearly a billion Monarch butterflies have vanished since 1990 By Jasmine Wright Loss of habitat has contributed to the 90 percent decrease of Monarch butterflies. Continue reading
Jan 11 Watch 1:49 Monarch butterflies could get endangered species status By PBS News Hour Every year, millions of North American monarch butterflies head south for the winter -- but recently their numbers have plummeted by up to 90 percent. In Washington, responding to a petition submitted by conservation organizations, the U.S. Fish and Wildlife… Continue watching
Dec 24 In Photos: Fewer Monarch butterflies are becoming 'snowbirds' By Larisa Epatko First, it was disappearing bees. Now, it appears that Monarch butterflies are suffering a decline. Continue reading