migrating grey squirrels have invaded red squirrel territories, replacing the native population.    m1nzemo?xtor=al-72-%5bpartner%5d-%5 bbbc.news.twitter%5d-%5bheadline%5d -%5bnews%5d-%5bbizdev%5d-%5bisapi%5 d&at_format=link&at_link_origin=bbc news&at_bbc_team=editorial&at_mediu m=social&at_link_type=web_link&at_c ampaign=social_flow&at_link_id=f1b6 51f4-b13c-11ef-bdae-aa1484731eb1&at _ptr_name=twitter&at_campaign_type= owned it's all natural and organic whenever a superior genepool comes, the inferior has to make way
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