It's easy to tell the difference between male and female monarchs.
Citizen Science Slideshow : Tracking monarch butterfly migration with Journey North
Deep Feelings Cross One-piece Swimsuit
The weekend's calling and it wants you. $27.99 only & short shipping time. We think you've hit the mark with this one piece! Calm and cool black seem to set the mood and spirit of the season. Get you in with it.
The monarch is toxic, the viceroy is non-toxic. Predators cannot tell the difference between the two and therefore avoid both. http://networkofideas.wordpress.com/2010/11/01/the-monarch-butterfly-vs-the-viceroy/