Why Do Monarch Butterflies Swarm? Monarch butterflies, like other butterfly species and birds, must migrate to warmer climates during the cold winter months. Monarch butterflies are unique because ...

Watch as fluttering swarms of monarch butterflies return to the warm weather of Mexico in their annual journey, how the cold and snowy weather is affecting countries around the world, and more of ...

Monarch butterflies will roost or gather in swarms on trees when flying conditions are poor. Monarch Watch puts a small round tag on their wings to track their migration. Monarch butterflies usually ...

There’s only one host plant for a monarch butterfly—milkweed! Choose native varieties for your area such as common milkweed, butterfly weed, swamp milkweed and showy milkweed. Create a monarch haven ...