A hibernating mouse
This mouse is curled into a little ball next to food during hibernation.
A hibernating bear
The bear is hibernating in an open area.
A hibernating hedgehog
This hedgehog drops its body temperature down to the temperature of its surroundings during hibernation.
Migration is the seasonal movement of animals from one region to another. Birds, mammals, insects, reptiles, and fish all migrate. Some animals migrate following their food source as it migrates. Other animals migrate so they can get to more hospitable areas.