Brr! We wear warm clothing in winter. When it’s cold, we light a fire. Animals also find ways to stay warm in winter.
RALPH A. CLEVENGER—GETTY IMAGES
Grizzly bears hibernate. They spend the winter sleeping. The bear’s body temperature drops. A bear doesn’t need much food then.
RICCARDO SAVI—GETTY IMAGES; PHILIPPE HENRY—GETY IMAGES (INSET)
When the weather gets cold, many animals adapt. They change the way they act. They change their bodies. In winter, the white-tailed ptarmigan turns from brown to white. This helps it hide from danger.
Geese fly south for the winter. They travel in groups. They migrate to warmer weather.
Gray whales migrate. They travel far. They swim from the Arctic to Mexico. They spend the winter there. The water there is warmer.
ALAN TSAI—GETTY IMAGES
In Japan, snow monkeys take hot baths in the winter. They bathe in natural hot springs. This keeps them warm. How do you stay warm when the weather gets cold?