Each fall, millions of monarch butterflies leave their summer breeding grounds in the northeastern U.S. and Canada and travel upwards of 3,000 miles to reach overwintering grounds in southwestern ...

The monarch’s complex life cycle makes it particularly difficult to monitor, Davis adds. In any given year, there are five separate generations of monarchs migrating through North America.

Volunteers from the Monarch Larva Monitoring Project—which has been going for over 30 years—check common milkweed stems in search of monarch butterfly eggs and caterpillars. A shrinking range ...

Follow the monarch on its dangerous 3,000-mile journey across the continent. The iconic North American butterfly's annual migration patterns are under threat from habitat loss and extreme weather ...

Explore every stage of the butterfly’s life cycle in vibrant close-up, from egg to adult. Beauty on the Wing: Life Story of the Monarch Butterfly is a 56-minute narrated film that unfolds along ...

Monarch butterflies travel up to 3,000 miles each fall to their wintering site in central Mexico, which was discovered by National Geographic grantee Fred A. Urquhart and his team in 1975.

Every year, millions of monarch butterflies fly up to 3,000 miles from southern Canada and the upper reaches of the United States to their wintering grounds in mountain forests outside Mexico City ...

Q. How can people at home help with the monarch butterfly population? A. Habitat loss is a contributing driver of monarch decline. Thus, helping provide resources to support the entire life cycle ...