The annual Monarch butterfly migration that brings tens of millions of the flying orange insects (and thousands of tourists) to the Mexican region of Michoacán is likely to get even bigger over the coming years as plans to protect the species pay off.

Monarch butterfly.

Monarch butterfly. Image by Greg Hewgill / CC BY 2.0

Recently, the number of Monarchs has declined with the blame being put on logging operations and pesticides, but projects across North America (the butterflies fly down from Canada and the US to winter in Mexico) will see the influx rise to an estimated 56 million this year, a welcome jump from the all-time low of 35 million last year. Read more: