Every April, ____ 1.5 million wildebeest and 200 000 zebra and gazelle undertake a ____ journey of nearly 3000 ____, tracked by ____ such as lions and cheetahs. Their ____ from the Serengeti plains to the hills of Kenya's Masai Mara is ____ by the ____ of food and water. An estimated 400 000 wildebeest ____ are born on the plains between late January and March and they too make the ____ journey in search of rain-ripened ____.

Migration - Introduction

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