The term 'orangutan, for one' is a reference to the species of great APE that is native to Southeast Asia. The crossword solutions for this term are 'APE' (3 letters) and 'greatape' (8 letters). The term 'APE' is a general term used to refer to any primate that is not a human, while 'greatape' is a more specific term used to refer to the family of primates that includes orangutans, gorillas, chimpanzees, and bonobos.