![Image](http://thumb1.webshots.com/t/64/64/9/21/61/522592161grkzLp_th.jpg)
Monarch Butterfly - Danaus plexippus
![Image](http://thumb1.webshots.com/t/55/155/9/19/31/522591931zEalVX_th.jpg)
Monarch Butterfly - Danaus plexippus
![Image](http://thumb1.webshots.com/t/57/157/9/25/58/522592558OYErYI_th.jpg)
Glaucous Cracker Butterfly: Members of this genus are sometimes called "clickers" or "crackers", for the noise they make as they fly. The noise-producing mechanism is unknown. Antillean populations seldom exhibit this trait
![Image](http://thumb1.webshots.com/t/53/153/6/16/94/543061694NppEnz_th.jpg)
The Julia Longwing Butterfly species, although uniform in continental America, shows considerable variation in the Antilles where almost every island has its own subspecies. (Hispaniolan race, Dryas julia hispaniola).