Silvery Marmoset (image) Wildlife Conservation Society Caption The silvery marmoset is one species that now benefits from a noninvasive iron test, modified from a test used for humans by veterinarians from the Wildlife Conservation Society Credit Julie Larsen Maher/Wildlife Conservation Society Usage Restrictions One-time usage only. Must be used with photo credit. 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.