rare beetle chilean stags grant or darwin`s beetle chiasognathu

animal animalia argentina background beetle black brown bug chile chiloensis closeup coleoptera color darwin detail dynastinae fighting gideon hercules horn image insect insecta invertebrate isolated large living lucanidae lucaninae macro male natural nature nobody one organism rhino rhinoceros scarabaeidae single stag subfamily tetropthalma unicorn white wild wildlife xylotrupes