The U.S. Fish and Wildlife Service is taking steps to list monarch butterflies as threatened species and designate seven ...

and they help the male attract female mates. These butterflies most famous for their seasonal migration when they travel from ...

The monarch butterfly life cycle begins with a whirl of wings in the heat of the summer sun. As a female monarch sips nectar from a wildflower, a male hovers nearby. A pheromone is released from ...