In 2013-14, Wiley planted milkweed to attract Monarch butterflies and help them on their journey between Canada and Mexico. On September 12, 2014 we found 4 Monarch caterpillars in our garden.
Here is a link to a video of one Monarch caterpillar eating Milkweed:
https://www.dropbox.com/s/4u320kbz83rm6s2/1_Monarch_Eating.mov?dl=0
And another for two Monarch caterpillars eating the same leaf: https://www.dropbox.com/s/v1qbmvkuh1xm5ps/2_Monarchs_Eating.mov?dl=0