Cockatoos at wheelie bin (IMAGE) Max-Planck-Gesellschaft Caption A sulphur-crested cockatoo opening the lid of a household waste bin using one of many different opening techniques. This bird holds the lid with the bill and its left foot. A second bird is observing it closely. Credit Barbara Klump / Max Planck Institute of Animal Behavior Usage Restrictions Use of images is limited to editorial coverage of scientific topics relating to the activities of the Max Planck Society. Any kind of commercial use (including, in particular, the exploitation of images by means of sale or incorporation in image databases or image catalogues) as well as any promotional use/use for merchandise purposes, disclosure to third parties or granting of related rights to third parties is expressly not permitted. License Licensed content 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.