<P> The North American Butterfly Association (NABA) was created in 1992 by Jeffrey Glassberg who is the association's president . The NABA was formed in order to promote awareness of butterfly conservation and the benefits of butterfly gardening, observation, photography and education . </P> <P> As with the National Audubon Society and the Christmas Bird Count, the NABA holds annual volunteer butterfly counts in the weeks leading up to or after July 4 in the United States, July 1 in Canada, and September 16 in Mexico . Volunteers scout out a meeting place and map out a 15 mile circle in which they count all the butterflies they see in one day . These counts give clues into the butterfly biodiversity of a particular region . </P> <P> The North American Butterfly Association also publishes the American Butterflies magazine quarterly . The magazine is currently 48 pages long and includes color photographs and articles on butterfly "hot spots", identification, gardening, photography, book reviews and regular features and columns . </P>

When does the north american butterfly association count butterflies in the us every year
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