Home » Science and Research » Interbreeding turned grey squirrels black Interbreeding turned grey squirrels black August 13, 2019 Science Daily Off Science and Research New research has shed new light on why some grey squirrels are black. Read Original Article: Interbreeding turned grey squirrels black » Share...FacebookPinterestTwitterLinkedinRedditTumblr Previous: Schrödinger’s cat with 20 qubits Next: Gene for acid-sensitive ion channel identified About The Author Science Daily