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 ...

The number of monarch butterflies in California is in sharp decline this year. This is the second-lowest population recording since tracking began in 1997. Biologists say record-high late summer ...

Take the monarch butterfly (Danaus plexippus ... I had a chance to collect all five stages together at one time and take a picture showing each unique caterpillar life stage and the egg.

This is partly because monarch images are used ... this involves attaching a small unique identifying tag to the wing, noting the age and condition of the butterfly and the date and location ...

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 ...