is it necessarily that there must be a wilde beest migration, I want an opinion, what if it fails or it has never


Country: Kenya


As long as the grasslands of the mara and serengeti are protected from overgrazing, and as long as there are even semi-regular rainy seasons, there WILL BE a wildebeest migration. The Wildebeest and zebras must move from one place to another to find better food. If they stay in the same place all year, the food supply would diminish and they would die. They are, therefore, forced to move. Many animal species migrate in regular patterns to find food. The wildebeest migration is just special because of the sheer numbers visible to the human eye.

There WILL come a day when human encroachment, habitat degradation and failed rains will cause the great migration to stop. Judging by the way things are going at the moment, unfortunately, that day is probably not too far away.
Animal migrations are an ecological process, allowing regeneration of food sources (grasses, in this case) while the animals are away.

Zebras eat the tallest, hardiest grasses. Wildebeest follow in close succession, eating the slightly shorter grasses after the Zebras have cut them down. The Wildebeest mow the grass down short. Then, at a bit of a distance, the gazelles follow, eating up the sweet, short grasses left over after the bulk grazers have gone.

The first grasses to grow back are the short ones, the pioneers. Next are the perennial, second tier grasses, which are still hardy, but more palatable. Last comes climax grasses (which is what the zebras and wildebeest go for).

Sorry, went a little overboard. Hope it answers your question, though.

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