Spider Web Stabilimentum (image) Duke University Share Print E-Mail Caption This is a spider web as seen in bird vision (left), and fly vision (right). The zigzags on the spider's web send a secret message to birds that their insect prey can't see, even from less than a foot away. Credit Eleanor Caves Usage Restrictions None 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.