There is a distinction between butterfly and bird movements. While a lot of the birds that fly south for the winter season return, butterflies do not. Rather the adults continue to mate and also reproduce then pass away.
Rather, the grownups companion, recreate and also die in their winter months homes.
You could make a distinction for kings. Did you recognize that milkweed-- the only plant they need to endure-- has seen a decline around the United States? Read more regarding the decrease of milkweed and just what you could do regarding it.