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Blue "muddy" merle and white Border Collie (bicolor tweed merle dog). "Muddy merle" is other name for tweed merle. | Border collie, White border collie, Collie
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Blue tweed merle and white Border Collie. #bordercollie #tweedmerle #bluemerle #azulmerle #bordercollieazulmerle #blue… | Border collie, Collie, White border collie