Butterfly watching (also called butterflying) is a hobby concerned with the observation and study of butterflies. It is growing in popularity, and there are clubs, handbooks, checklists, and even festivals devoted to the activity, just as there are for birding. The Fourth of July butterfly count, an annual census of species by butterfly watchers thoughout the United States, is an example of citizen science .

External links

• North American Butterfly Association (NABA)
• Butterfly Watching Basics