A pollinator admired for its beauty and migratory endurance, monarch butterflies are being proposed for addition as an ...

Instead of overwintering, monarch butterflies migrate by swarming together in roosts of hundreds or thousands. Swarming helps monarch butterflies stay warm and ward off any predators they might ...

The iconic monarch butterfly is declining across North America. You can help make a difference by providing the species with its food plant: milkweed.

The monarch butterfly (Danaus plexippus) is renowned for its black-and-orange beauty and its spectacular migration of ...

The monarch butterfly is boldly colored as an adult and a caterpillar, using a type of signaling known as aposematism, in which conspicuous colors and patterns warn possible predators that the ...

In the natural world predation is relentless, and evading predators strongly favors the evolution of camouflage colors in animals. How contradictory, then, for small, defenseless creatures — like red ...