Summary: We take a look at how monarch butterflies and milkweed have evolved together with the author of a new book. We also look at the decline of the butterfly species is related to the lack of milkweed. The answer may surprise you.
Summary: We take a look at how monarch butterflies and milkweed have evolved together with the author of a new book. We also look at the decline of the butterfly species is related to the lack of milkweed. The answer may surprise you.