I think the squirrels are only considered a pest here because the non-native greys are causing the native reds to die off (they carry disease that the reds are not immune to and the greys are more competitive for resources). They steal from bird feeders (which personally doesn't bother me) and the ones in the city parks are so tame that they'll steal from your picnic.
Red Squirrels are cuter. They're so rare that I've never seen one in real life.
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