The BBC reports
Arctic foxes are turning to cannibalism as they struggle to find food in a warmer world.
That’s one of the never-before-captured behaviours in Sir David Attenborough’s latest series – Mammals.
It focuses on how these animals are adapting to a world rapidly changed by the most dominant mammal – us.
Read more Mammals battle for life in new David Attenborough series
Natural History Wanderings 
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