New research suggests the gut bacteria of red and grey squirrels differ significantly, potentially explaining the decline of the native red and the success of its grey counterpart.
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Not all animals retreat to their shelters in cold weather.
There is no single, straightforward way to safeguard the future of this native mammal at the moment – but here are some options
North American red squirrels produce a range of sounds, but their distinctive rattle call may have more to do with identifying themselves than warning off other squirrels.
