Eastern black swallowtail butterfly: Larva, first instar, day 1 after hatchingThe first larval instar, or growth stage, looks nothing like the later stages. Early instars often look like bird droppings to fool predators. "All rights reserved" is a traditional copyright term that indicates that the copyright holder reserves for his/her/their own use all of the rights given to copyright owners under U.S. copyright law. Items that are included in NCpedia and/or ANCHOR with this rights statement appear by agreement or permission from the rights holder or the institution that holds the item. Click "Available at" to visit the website for the collection where the item appears for more information about the rights or specific uses allowed.