Sociable Weaver (IMAGE) St. John's College, University of Cambridge Caption According to the research from the University of Cambridge, females in species such as the sociable weaver tend to produce smaller eggs when help with rearing offspring is at hand compared to when parents are on their own. Credit Jessie Walton 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.