Tree Grazing (image) Ecological Society of America Share Print E-Mail Caption Goats graze on an argan tree in southwestern Morocco. In the fruiting season, many clean argan nuts are spat out by the goats while chewing their cud. Credit H Garrido/EBD-CSIC Usage Restrictions include credit Share Print E-Mail 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.