Numbers of big game in Kenya's renowned Mara region have fallen by more than two-thirds in the past three decades, new research reveals.



Numbers of impala, warthog, giraffe, topi and Coke's hartebeest have declined by over 70%, say scientists.

Even fewer survive beyond the reserve in the wider Mara, where buffalo and wild dogs have all but disappeared, while huge numbers of wildebeest no longer pass through the region on their epic migration.

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