Male Too Small to Copulate (video) University of Utah Share Print E-Mail Loading video... Caption Relatively small male attempting to copulate. Female on top, male on bottom. The abdomen of the male is too short for copulation. Credit Villa et al. PNAS. 2019 Usage Restrictions Non commercial with attribution Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.