Nest of Petals (1 of 2) (IMAGE) American Museum of Natural History Caption This is a closed brood cell of Osima avosetta. Credit J.G. Rozen Usage Restrictions None 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.