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 ...

Captive-raising monarchs in cages also puts the butterflies at risk. The OE parasite can reach very high levels in indoor ...

Usefully, the listing would legally protect the groves of trees near the California coast where western monarchs overwinter.

EPA must better assess the dangers of pesticides, especially in monarch breeding habitats in state’s Central Valley.

The federal agency wants the monarch butterfly listed as “threatened” under the Endangered Species Act, with specific protections and flexibility to encourage conservation, it recently announced.

The U.S. Fish and Wildlife Service’s proposed protection of the monarch butterfly as threatened under the Endangered Species ...

The king of butterflies is under threat, and the U.S. Fish & Wildlife Service is proposing a “threatened” classification ...