Hearing On The Wing: New Structure Discovered In Butterfly Ears Date: October 22, 2009 ... Nymphalidae). Journal of Experimental Biology, 2009; 212 (21): 3533 DOI: 10.1242/jeb.032425; ...

MONARCH butterflies are part of the Nymphalidae family and are often recognized for their orange color. In July 2022, the insects were declared endangered by the International Union for Conservatio… ...