Hedgehog (IMAGE) Ecological Society of America Caption Invasive hedgehogs love an easy snack of eggs from a shorebird nesting colony. Olfactory misinformation can help make the eggs harder to find, encouraging hedgehogs to seek out easier food sources. Credit Grant Norbury Usage Restrictions Credit Grant Norbury / Ecological Society of America 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.