Monarch butterfly population moves closer to extinction

The number of western monarch butterflies wintering along the California coast has plummeted precipitously to a record low, putting the orange-and-black insects closer to extinction, researchers announced Tuesday.

More monarch butterflies migrating back to Pennsylvania this spring, but population remains threatened

Summer drought impacts migration route for newly-endangered monarch butterflies

Spreading their wings: Western Monarchs begin to migrate across the nation

1,945 Picture Monarch Butterfly Images, Stock Photos, 3D objects, & Vectors

Monarch Butterfly Population Recovering, But Still in Danger

Monarch butterfly - Danaus plexippus, beautiful popular orange butterfly from American woodlands and meadows, Volcán, Panama Stock Photo - Alamy

Migratory monarch butterfly now Endangered - IUCN Red List - Press release

Reflections in Nature: Monarch butterfly population on decline

Monarch butterflies move closer to Endangered Species Protection

Monarch butterfly population moves closer to extinction

Scripps Ranch Villages Butterfly Park

California - Negative Population Growth

Montreal conservationists work to save vanishing Monarch butterflies from extinction

Monarch butterfly population moves closer to extinction

Monarch butterfly counts rise in Colorado and beyond, but extinction concerns remain