They're traveling from their North American breeding ... including Houston, and then cross the border around McAllen. A few migratory monarchs will spend the winter in our area and join a small ...

Houston's fall butterflies Among the 17,500 butterfly species worldwide are 750 in North America and 440 in Texas. Autumn ...

MEXICO CITY (AP) — The number of monarch butterflies wintering in the mountains west of Mexico City rebounded this year, ...

The eastern monarch population is made up the butterflies east of the Rocky Mountains and accounts for roughly 99% of all North American monarchs. They migrate each winter from the northern United ...

After wintering in Mexico, the iconic butterflies with black and orange wings fly north, breeding multiple generations along the way for thousands of miles. The offspring that reach southern ...