They provide a real-time, online checklist and photo storage program that allows butterfly enthusiasts to report, organize, and access information about butterflies in Central and North America and the Caribbean. By documenting the presence, absence, and abundance of butterfly species through checklists, eButterfly is creating one of the largest and fastest growing insect data resources. With the help of their community of scientists, educators, students, and conservationists, eButterfly is building a comprehensive database that will enhance our understanding of butterfly distribution and population trends.

Users can track their butterfly sightings and locations, organize and store their photos, explore dynamic range maps, and share their sightings with others. Through eButterfly, butterfly watching becomes more rewarding and contributes to science, conservation, and education