![how do butterflies survive winter how do butterflies survive winter](https://ts2.mm.bing.net/th?q=how do butterflies survive winter)
Unlike mammals and birds, butterflies and moths rely mainly on external sources of heat to warm their bodies so that they can be active. Although many are adept at increasing their body temperature way above ambient air temperature by basking in sunshine or shivering (vibrating their flight muscles), when their surroundings are really cold, most butterflies and moths are . Feb 02, · The life cycle of a butterfly involves four stages: from egg, to caterpillar, to pupa (or chrysalis), to adult. During the winter, a butterfly goes into a dormant state which is sort of like hibernation, although insects do not truly hibernate the way animals do. A butterfly will enter the hibernation state regardless of the stage of the life cycle it is in, whether it is already a fully Author: Zion Lights. Mar 10, · Among the approximately species of North American butterflies there are three main strategies that have evolved for winter survival. The first involves diapause, either as an egg, a caterpillar, or in a protective pouch called a chrysalis. Hibernation in the adult form is the second strategy.
Read more