National Park Service
Hibernation-Migration-Fascination
What's the difference between hibernation and a good nap? Find out with an engaging life science activity that compares the hibernation habits of grizzly bears and marmots. After learners read an informational passage about each mammal,...
PBS
Nova Online: Japan's Secret Garden
Explore a year in the life of the people and wildlife around Lake Biwa in Japan. Study hibernation, rice cultivation, and the metamorphosis of insects in the area.