Overview: It's the start the year. Arctic winds plunge the polar bear into a de freeze, while in Australia, the heat means a feast for one bird prey.
Overview: Spring begins in the Northern Hemisphere as cherry blossoms bloom across Japan. In India, a congregation wild Asian elephants coincides with the colorful Holi festival.
Overview: May brings violent tornados to North America and the life-giving monsoon to India. The dry season ends in southern Africa, claiming victims among elephants.
Overview: In July, Arctic ice sheets crash into the sea while an arctic fox hunts among the rocks. In Africa, herds wildebeest cross the croc-infested Mara river.
Overview: Rain welcomes baby meerkats to the Kalahari. The arrival spring in eastern Australia ignites the passions everything from kangaroos to humpback whales.
Overview: Millions monarch butterflies converge in the forests Mexico. The Arctic skies blaze with the aurora borealis as Earth completes its annual cycle.