Watch: Caterpillars transform into butterflies in this incredible time-lapse. | National Geographic

Many caterpillars change their colors as they finish up feeding and prepare to wander off their host plants in search of a place to pupate. Often this means that green caterpillars flush with reds, yellows, or browns to match the forest floor. The tiger swallowtail goes from bright green to brown over the course of about three hours. This was our first attempt at a timelapse of this change, but I think we can do better in the future! | The Caterpillar Lab

Meet a cast of chromatic caterpillar characters: Each possesses its own set of traits—colors, shapes, behaviors, and weapons—that helps it survive in its eastern U.S. habitats. See more: bit.ly/2E0TGRk (Video by Samuel Jaffe of The Caterpillar Lab) | bioGraphic