Scientists have seen chimpanzees creating "music" -- that includes hooting and throwing rocks at trees -- then walking away. The researchers also noticed the chimps that practiced accumulative stone throwing (AST) didn't throw them at any old type of tree; they returned to the same species time and again. They have seen the behavior in four groups of chimps in Libera, Guinea-Bissau, Guinea and Ivory Coast. WORLD'S OLDEST FOSSIL TREES FOUND IN NEW YORKThe footage can be seen below. Ammie Kalan, a primatologist at the Max Planck Institute and co-author of the study, said she doesn't think the chimps are just hooting and throwing rocks for fun.

Source: Fox News December 20, 2019 00:11 UTC