Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars ... much more slowly than the average ...

The monarch butterfly population has declined in recent ... A kaleidoscope of orange-and-yellow monarch butterflies soon will return to Michigan as they finish their overwintering in Mexico ...

Monarch butterflies are important culturally and ecologically across North America. Generations have watched in wonder as yellow-and-black striped caterpillars ... much more slowly than the average ...