Oil Barge on Napo River (image) Wildlife Conservation Society Caption Oil development near Yasuni National Park (including a road through the park) has led to an increase of commercial hunting. This barge carries an oil truck on the nearby Napo River. Credit Julie Larsen Maher (c) WCS Usage Restrictions One time usage only. Use with photo credit. 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.