Wildebeests are large African antelopes.
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Africa’s great wildebeest migrations are being disrupted by roads, cities and agriculture.
Zebra and wildebeest taking part in the Serengeti migration.
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Lessons from the Serengeti herds may help conservationists manage migratory herbivore populations.
White-bearded wildebeest migrate through the Mara.
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Four of the five contemporary migrations in East Africa are severely threatened and have virtually collapsed.
In the Serengeti wildebeest will move more than 2000km during their annual migration.
Sarah Durant
Many mammals depend on large areas and trans-boundary conservation for their survival. When this is obstructed it can have a catastrophic impact on animal populations.