These traveling animals are called migrants and their trips, migrations. Ducks migrate south in the winter. Although the majority of these insects pass the winter in a resting state, some migrate southward. Each species of insect usually passes the winter in one particular phase of development. Some butterflies winter as pupae, caterpillars, or eggs.
Butterflies are in their cocoons.
In the winter some insects may come out of hibernation during brief periods of mild weather. Honeybees in well-protected hives use their body heat to maintain a hive temperature that permits them to remain somewhat active and to feed on stored sweets. Ants like warmth and swarm out of their nests into the sunshine. But they can be frozen for long periods without harm. Packed in tight bunches, many spend the winter inside logs and stumps.