After braving the elements, these butterflies turn Mexico’s Monarch Butterfly Biosphere Reserve into an orange-and-black wonderland.

They only fly during the day and use the sun and an internal compass to guide them.

What was discovered by accident became a 138,000-acre reserve that spans the states of Mexico and Michoacan.

Monarch butterflies

Photo: naticastillog/Depositphotos

In 2008, the area was named aWorld Heritage siteone that receivedhalf a million visitorslast season.

That’s why responsible tourism practices are key when visiting these sites.

Walk-in guided tours are usually available, allowing visitors to get firsthand knowledge about these creatures.

Monarch butterflies flying

Photo: naticastillog/Depositphotos

Monarch butterflies are an endangered species, but over-tourism is far from the only threat they face.

After braving the elements, they turn Mexico’s Monarch Butterfly Biosphere Reserve into an orange-and-black wonderland.

Monarch butterflies on a branch

Photo: naticastillog/Depositphotos

Monarch butterflies in a sanctuary

Photo: naticastillog/Depositphotos