Earth's Great Seasons

Spring brings a burst of new life, and as soon as the air starts to warm, it's a race to wake up.

With the sun shining and flowers blooming, summer is the season of abundance. The long hours of daylight make life burst forth in a riot of activity.

While beavers and chipmunks dash to stash their winter supplies, young gannets must face life's first dangerous challenges.

With their world encases in snow and ice, animals must find the most inventive ways to survive and try to even benefit from the cold.