0:00:05.994,0:00:08.994 [Upbeat jingle plays] 0:00:19.439,0:00:22.863 First, the butterfly starts as a very small egg 0:00:22.863,0:00:25.306 laid on the leaf of a milkweed plant. 0:00:26.817,0:00:31.716 About 4 days later a caterpillar is hatched and goes straight to work 0:00:31.716,0:00:34.469 eating milkweed in order to grow. 0:00:37.546,0:00:40.199 For 2 weeks the caterpillar eats and eats 0:00:40.199,0:00:46.439 then it shimmies, shakes and sheds its skin twice as it continues to grow. 0:00:51.657,0:00:56.124 Once fully grown the caterpillar attaches itself to a twig or leaf 0:00:56.124,0:00:59.487 then it begins the process of metamorphosis. 0:00:59.487,0:01:01.936 Unlike a silkworm that spins a cocoon 0:01:01.936,0:01:06.027 the Monarch caterpillar sheds its skin one final time 0:01:06.027,0:01:09.436 revealing a hard shell known as the chrysalis. 0:01:09.436,0:01:11.978 Although it may look as though nothing is happening, 0:01:11.978,0:01:14.663 during this 10-day chrysalis phase 0:01:14.663,0:01:18.818 major changes are taking place that result in a fully grown butterfly. 0:01:18.818,0:01:22.138 Once the butterfly emerges from its chrysalis, 0:01:22.138,0:01:24.695 it only lives for a few months. 0:01:24.695,0:01:30.197 This gives it just enough time to fly, mate and produce another egg. 0:01:30.197,0:01:34.311 The entire cycle from egg to adult takes about 30 days. 0:01:34.311,0:01:38.247 And that's the life cycle of the Monarch caterpillar.