Caterpillars are easily identified by using a chart available at DiscoverLife.org. This website features a comprehensive guide to caterpillar identification using a variety of characteristics such as color, main body pattern, hair density and distinctive features.
Site visitors can view an array of color photos and check off each pertinent trait in a search box that will then produce a number of match choices and comparable photos. The site also hosts a state guide that features the number and variety of caterpillars found in each state.
DiscoverLife.org also hosts identifying charts and photos for other species such as amphibians, reptiles, mammals, plants, insects and more. Visitors can learn about their natural history, habitat and distribution.