Hedgehog (IMAGE) Ecological Society of America Caption A wild invasive hedgehog is attracted to bird odor in a jar. Hedgehogs mainly consume invertebrates but eat eggs and sometimes chicks of ground-nesting birds. Credit Grant Norbury Usage Restrictions Image may only be used with permission and must include caption and credit. 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.