Butterflies – Heating and Hibernation

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 forced to remain inactive.

Click on the link to read the rest of the article Butterfly Conservation – Heating and Hibernation

MKNHS is not responsible for the content of external Internet sites.