The big-headed turtle has a cranium so large inconvenience for the species, as it is so large it is unable to retract it into its shell for protection. Though it is widespread, being found in Cambodia, China, Laos, Myanmar, Vietnam and Thailand, the species is endangered - mainly due to popular demand for it as a pet or as a food. [Photo/Agencies]SEa黄石翻译公司-忠信乐译翻译有限公司