Isotope mapping sheds light onto monarch journeys
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 ...
butterfly
As the climate changes, are monarchs changing, too?
The western monarch butterfly population has been decreasing on its usual breeding grounds throughout the West. Last winter, overwintering numbers were the lowest ...
Biologists sequence every U.S., Canadian butterfly genome
Researchers say they have sequenced the genome of every butterfly species in the United States and Canada — what they are calling a “complete butterfly ...
Watch: Temperature drives internal clock for monarchs
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 ...
Captive-bred monarchs don’t migrate
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 ...
Women’s prison helps butterflies fly free
This March, a program where incarcerated women help caterpillars metamorphose into Taylor’s checkerspot butterflies (Euphydryas editha taylori), helped raise 476 ...
Western states adopt plan for monarch conservation
Monarch butterfly (Danaus plexippus plexippus) populations have declined steeply since the 1990s, prompting the U.S. Fish and Wildlife Service to determine that ...
Is migration the reason for monarchs’ decline?
Why are monarch butterflies on the decline? “The migration itself might be the problem,” researcher Anurag Agrawal told the Washington Post. Agrawal is lead ...
Recovering with the butterflies
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 ...
West Coast monarchs face steep decline
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 ...