The caterpillar crawls away from the milkweed plant in search of a safe spot to begin the pupa stage of the monarch butterfly ...

The transition from caterpillar to butterfly is a process that consists of four stages: egg, larva, pupa, and adult. Observe one caterpillar as it developments into a gorgeous winged insect.

Caterpillars grow, feed and then transform from a chrysalis to a beautiful colourful butterfly before our very eyes. This clip is from the series Wonders of Nature. This clip could be used in the ...

When a male and a female butterfly reproduce, the female lays eggs somewhere safe. When these eggs hatch out, they become caterpillars. This is called the larva stage. It doesn't look much like a ...

The outlook for butterflies in the U.S. seems as fragile as their delicate wings, as a study reveals the population of 554 ...