Monarch butterflies with more white spots on their mostly orange-and-black wings are more successful at long-distance migration. Some scientists think the spots may affect airflow around their wings.

As millions of monarch butterflies make their way down the east coast to Mexico for the winter, butterfly scientists want people in their flight path to report monarch sightings.

Monarch butterflies with more white spots on their mostly orange-and-black wings are more successful at long-distance migration. Some scientists think the spots may affect airflow around their wings.

The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path even though they have never made the long journey themselves. As 60 ...

Every year, monarch butterflies undertake the arduous 3,000-mile journey from the Great Lakes to winter in California and Mexico. They have followed this migratory path for centuries, pollinating ...

Walton blames the use of herbicides and pesticides for the decline in the monarch butterflies. If cattle eat milkweed, it can ...

Monarch butterflies hanging from tree branches 60 Minutes ... He shows us a spot where some butterflies have taken flight. Then, after a few minutes, ... Maybe it's a prehistoric route.

Science | May 2021. An Epic Monarch Migration Faces New Threats. The butterflies’ path, which stretches thousands of miles, is endangered by an array of challenges, including changes in climate ...

Monarch migration is one of the longest insect migrations in the world, with some butterflies traveling up to 3,000 miles. What makes this feat even more remarkable is that no single monarch ...

Monarch butterflies definitely need to fly well to complete their annual fall migration of up to 3,000 miles. "It's one of the most famous migrations of any insect in the world.

The annual migration of monarch butterflies is one of science's great mysteries: millions of monarchs know the correct path even though they have never made the long journey themselves. As 60 ...

Monarch butterflies with more white spots on their mostly orange ... easing the butterflies' flight. ... They studied nearly 400 wild monarch wings from different locations along the migration path.