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.

The Monarch butterfly makes one of the longest migrations on Earth, and it does with pinpoint accuracy despite never having flown the route before. Beginning in August every year, the North ...

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.

One of my most memorable experiences in 30 years of traveling in Mexico was a day trip to the El Rosario monarch sanctuary, an aerie at 10,000 feet in eastern Michoacan's mountains. My cousin and ...

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.

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 ...

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 ...

Just like your favorite boy band of the ‘90s, monarch butterflies are trying to make a comeback. But unlike a singing group, monarch butterflies are ecologically significant and have three ...

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. Doing so can help ...

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.

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.