The mass mortality event of monarch butterflies in California yet again shows how pesticides threaten pollinators and ...

The monarch butterfly migration is one of the great wonders of the natural world. Every year, millions of them travel immense distances along predetermined monarch butterfly migration routes to escape ...

The commenters shared the OP's joy. Gardener thrilled after discovering tiny visitors enjoying plants: 'I'm so excited for you' first appeared on The Cool Down.

Monarch butterfly numbers are down by 80% overall and remain just one-third the size needed to avoid migratory collapse.