Gross anatomy was carried out tor investigate death causes of three captive pangolins. We found that the pangolin MP2 gastric outlet open into duodenum was obstructed by a tumor located at the pylorus,leding to gastric retention,so that the animal could not take anything for a long time to result in the pangolin death; Some wood shavings were stuck in the pangolin MP7 pharynx,these wood shavings were bedding inside the pangolin nest,which were accidentally taken into mouth of this animal by the pangolin sti...