Major Monarch Highway

Journey North
Home
Update

The Sierra Madre Oriental forms a north/south chain of peaks and valleys that stands in the path of the easterly winds which predominate at this time of year. As the winds strike the ridges, the butterflies get a free lift southward.

Major Monarch Highway

Monarchs were streaming through Monterrey, Nuevo Leon on Tuesday. How many can you count in 24 seconds?

By Alida Madero Farias