Monarch butterfly landing on petunias
The yellow monarch butterfly’s caterpillar is black and white striped but as it grows a little bigger, it turns into a green and white striped caterpillar. I used to think they were two different kinds of butterflies. Now I know better… 
Butterfly Facts:
Most butterflies are migratory.
We saw this information panel of the butterflies migratory map when we went camping in the Japan Alps.
NATURE IN JAPAN 
Have you purchased butterfly caterpillars in Japan at all? Do you know how to go about it or if it is possible?