US formally removes Colorado River fish's endangered status

The humpback chub, a rare fish found only in the Colorado River basin, has been brought back from the brink of extinction after decades of protection, though work must continue to ensure its survival, federal authorities ...

Why India's plan to reintroduce cheetahs may run into problems

A nature reserve in India could soon be the only location in the world to host wild populations of four major big cat species—tiger, lion, leopard and cheetah. Kuno-Palpur, in central state of Madhya Pradesh, may not be ...

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