By Arj Singh
You could say it is the best of times and the worst of times for the herbivores of the Serengeti.
The arrival of the rains in the south is a precursor to one of the world’s largest migrations.
One and a half million animals, including wildebeest, buffalo, gazelles and zebras, come together to take advantage of the bountiful food in the fast-growing lush grasses.
But the rains also mark a time of plenty for the predators who stalk them. The likes of cheetahs, hyenas and lions can find food in abundance in the large gatherings of grazers.
Find the rest of this story including thrilling kills, chases and fights over at the BBC Earth blog.
[You can see all sorts videos and images of other migrating animals including humpback whales, Monarch butterflies and more over on our Facebook page, where you can also enter a photo competition and win DVDs.]