Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars ... of the metamorphosis that happens in ...

As a female monarch sips nectar from a wildflower, a male hovers nearby. A pheromone is released from tiny black ... of a ...

Did you know that caterpillars come from butterfly eggs? See pictures of butterflies laying eggs on their host plants.

They regularly search through the backyard flower garden at their Irwin home for signs of monarch ... hanging chrysalis, preparing to transform into a regal orange-and-black butterfly.

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars ... of the metamorphosis that happens in ...