Monarch butterflies, known for their distinctive ... according to Monarch Joint Venture, a group that works to protect monarchs. Pesticides have contaminated much of the remaining plants ...

Monarch butterflies, known for their distinctive ... according to Monarch Joint Venture, a group that works to protect monarchs. Pesticides have contaminated much of the remaining plants ...

Monarch butterflies, known for their distinctive ... according to Monarch Joint Venture, a group that works to protect monarchs. Pesticides have contaminated much of the remaining plants ...

For the past three years, more than 200,000 western monarch butterflies spent their winters ... a nonprofit environmental group, tallied just 9,119 western monarchs — a dramatic 95% plunge ...

FILE - A butterfly sits on a leaf at Monarch Grove Sanctuary in Pacific Grove, Calif., on Nov. 10, 2021. (AP Photo/Nic Coury, File) ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with its food plant: milkweed. A monarch butterfly gliding over a field on ...