Tag: butterfly

Pre-COVID-19 pandemic, University of Ottawa biology student Megan Reich enjoyed the road trip of a lifetime, crisscrossing the East Coast of the United States in search of milkweed. The plant...

The western monarch butterfly population has been decreasing on its usual breeding grounds throughout the West. Last winter, overwintering numbers were the lowest ever recorded. But that may not mean...

Researchers say they have sequenced the genome of every butterfly species in the United States and Canada — what they are calling a “complete butterfly continent.” Biologists at the University...

When monarch butterflies overwinter in central Mexico and along the California coast, they spend much of the time dormant to help with their winter survival before reproduction. Researchers recently found...

When either breeders or eager citizens raise monarch butterflies, they may be raising individuals that can’t migrate, according to new research. The idea to study the migration patterns of captive-bred...

This March, a program where incarcerated women help caterpillars metamorphose into Taylor’s checkerspot butterflies (Euphydryas editha taylori), helped raise 476 caterpillars that were later released into the wild. The program,...

Monarch butterfly (Danaus plexippus plexippus) populations have declined steeply since the 1990s, prompting the U.S. Fish and Wildlife Service to determine that monarchs may warrant listing under the federal Endangered...

Why are monarch butterflies on the decline? “The migration itself might be the problem,” researcher Anurag Agrawal told the Washington Post. Agrawal is lead author on a paper in Science...

Nick Haddad doesn’t remember it, but while recovering from a traumatic brain injury that resulted in memory loss, he couldn’t stop telling one of his nurses about the rare St....

Monarch butterflies that overwinter on the West Coast of North America have declined from the millions 30 years ago to only 300,000 today, according to new research, raising concerns that...