Robuta

https://nndb.com/people/033/000044898/ Bruce Bagemihl bruce bagemihl https://archive.org/details/biologicalexuber00bage/page/628/mode/2up Biological exuberance : animal homosexuality and natural diversity : Bagemihl, Bruce : Free... Includes bibliographical references (p. 671-732) and indexes animal homosexuality bagemihl bruce biological exuberance natural