Osos grizzly

The video explains how grizzly bears prepare for and survive hibernation. It covers their seasonal diet changes, from eating roots and grass in spring to fishing for salmon in summer. In fall, they consume high-calorie foods to gain weight for hibernation. During hibernation, bears burn stored calories, losing significant body weight. The cycle repeats annually as they emerge in spring focused on finding food.

Why do animals, including grizzly bears, hibernate during the winter?

• To migrate to warmer areas

• To enjoy the cold weather

• Because food is scarce

• To escape predators

What is the primary food source for grizzly bears in the spring?

• Roots and grass

• Red meat

• Clams

• Salmon

During which season do grizzly bears primarily feed on salmon?

• Spring

• Summer

• Fall

• Winter

What do grizzly bears do in the fall to prepare for hibernation?

• They start hibernating early

• They eat constantly to gain weight

• They migrate to warmer areas

• They build nests

What happens to a grizzly bear's body weight during hibernation?

• It doubles

• It decreases by a third

• It increases by a third

• It remains the same