What features in the behavior and activity of animals can you relate to the onset of autumn?

The animal organism changes its work a little with the onset of autumn. Firstly, this is due to a change in animal nutrition. In the autumn, most of the animals stock up on food. Another part of the animals, in addition to the supply of food, prepare to hibernate. Also, many change the color of their bodies to mask (for example, a hare). Rodents begin to molt, which is also considered preparation for the new year period. In addition, the body of any animal is under stress. After all, you need to get used to maintain normal body temperature, monitor blood circulation during colds.