Brrrr. Winter is cold in some places. Many plants do not grow during winter. Some plants die. Snow and ice may cover the ground. It can be hard for animals to find food during winter. Animals get through this time in many ways.Birds and butterflies can fly. Many of them do not stick around for the winter. They leave. They go to a place with nice weather. Then they come home in the spring. We call this migration. Migrating is a good way to avoid the cold. Then they come home in the spring. We call this migration. Migrating is a good way to avoid the cold. Another good way to avoid the cold is to sleep through it. Many animals hide during the winter. Their bodies slow down. They save their energy. They do not eat. They live off of their fat. They do this until food returns. We call this hibernation. Snakes, frogs, and bears hibernate.