Conservation News

IUCN lists monarch butterflies as endangered

The International Union for Conservation of Nature has listed monarch butterflies as endangered due to steep declines experienced over the past decade. Monarchs (Danaus plexippus), which migrate from the United States and Canada to Mexico

Conservation News

Eastern monarchs need more milkweed

Current conservation measures for monarch butterflies may be falling short, say researchers who created a model to analyze how the butterflies are faring. Rodrigo Solis-Sosa, a veterinarian and PhD candidate at Simon Fraser University, first

Dana Kobilinsky

Monarchs prefer pesticide-free milkweed

Milkweed covered in pesticide cocktails repels egg-laying monarchs and their larvae — but the extent of chemical use in some areas may leave the butterflies with no choice. “Their populations have been reduced in the

Dana Kobilinsky

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 the migration patterns of captive-bred monarchs (Danaus plexippus) came about