New York Post The shocking, real reason why gorillas pound their chestsApr 8, 2021Ben CostBy Ben Costmore_vert
National GeographicWhy do male gorillas beat their chests? New study offers intriguing evidenceApr 8, 2021Jason BittelBy Jason Bittelmore_vert
The GuardianGorillas beat their chests to size each other up, researchers sayApr 8, 2021Nicola DavisBy Nicola Davismore_vert