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user-inactivated · 3866 days ago · link · · parent · post: These Dolphins Are Using Sea Sponges as Tools - Megan Garber - The Atlantic
How on earth could they possibly know this? Must I read the book?The behavior, Justin Gregg notes in his book Are Dolphins Really Smart?, has since been traced back to approximately 180 years ago, to a single female who has been nicknamed "Sponging Eve."