FIFacts From The World Of Nature - Animate And Inanimateby Pandi3w1 source Bookmark Share Talk about this Copy Copy for Socials See In PandiPedia Manage SourcesDescribed as Little Known, Already GoneThe first Steller's sea cow ever seen was mistaken for a floating tree, black and knotty.Steller's sea cow wore hide an inch thick, scarcely able to be cut with an axe.Instead of teeth, Steller's sea cow ground food between two horny plates built of innumerable tubes.Cuvier recorded that the heart of Steller's sea cow was double.The book calls Steller's sea cow little known; it had been extinct since 1768, eighty years.1/5Sorry, Pandi could not find an answer.Let's look at alternatives:Try Super Pandi (Recommended)Modify the query.Start a new thread.Remove sources (if manually added).✦Your algorithm