It’s not just humans who have an interest in seeing how butterflies come into the world, as evidenced by this file photo. Spring is in the air, and that means it’s time for one of Mariposa’s most ...

Monarch butterflies only flap their wings around 5 to 12 times per second — much more slowly than the average butterfly, who flaps about 20 times a second. In the right conditions, a migrating monarch ...